### Video Transcript

The ratio between the heights of
three buildings A, B, and C is 10 : four : three. If the height of building A is 60
meters, find the heights of building B and building C.

We’re told in the question that the
ratio of the heights is 10 : four : three. We’re also told that the height of
building A is 60 meters. We can find equivalent ratios by
multiplying each of our values by the same number. 10 multiplied by six is equal to
60. This means that, in order to find
an equivalent ratio, we must also multiply four and three by six. Four multiplied by six is 24, and
three multiplied by six is 18. This means that the ratio 10 : four
: three is equivalent to the ratio 60 : 24 : 18. We can therefore conclude that the
height of building B is 24 meters and the height of building C is 18 meters.