Finding the Fourth Proportional to 66,430,720.30, 91,674,451.08 and 37,062,057.42
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Solution
The fourth proportional to 66,430,720.30, 91,674,451.08 and 37,062,057.42 is: 51,145,671.08
Step by Step Solution
- Step 1: Write the proportion equation
66,430,720.30 : 91,674,451.08 = 37,062,057.42 : x - Step 2: Convert to fraction form
66,430,720.30/91,674,451.08 = 37,062,057.42/x - Step 3: Cross multiply
66,430,720.30x = 91,674,451.08 × 37,062,057.42 - Step 4: Simplify right side
66,430,720.30x = 3,397,643,769,873,941 - Step 5: Solve for x
x = 3,397,643,769,873,941/66,430,720.30 - Step 6: Final answer
x = 51,145,671.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.