Amanda, Bala and Calvin have some storybooks.  3/4 of Amanda’s storybooks is equal to 1/6  of Bala’s  storybooks as well as 1/3 of Calvin’s storybooks. Find the ratio of the number of Bala’s storybooks to the number of Calvin’s storybooks to the number of Amanda’s storybooks.
Let number Amanda has, be A
Then Bala has: 6A, and Calvin has: 3A
Ratio of Bala’s to Calvin’s to Amanda’s: 6A:3A:A, or