Finding the Fourth Proportional to 91,177,038.72, 136,548,449.28 and 52,757,585.28
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Solution
The fourth proportional to 91,177,038.72, 136,548,449.28 and 52,757,585.28 is: 79,010,752.69
Step by Step Solution
- Step 1: Write the proportion equation
91,177,038.72 : 136,548,449.28 = 52,757,585.28 : x - Step 2: Convert to fraction form
91,177,038.72/136,548,449.28 = 52,757,585.28/x - Step 3: Cross multiply
91,177,038.72x = 136,548,449.28 × 52,757,585.28 - Step 4: Simplify right side
91,177,038.72x = 7,203,966,457,741,355 - Step 5: Solve for x
x = 7,203,966,457,741,355/91,177,038.72 - Step 6: Final answer
x = 79,010,752.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.