Finding the Fourth Proportional to 87,276,624.75, 130,915,593.23 and 38,741,430.42
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Solution
The fourth proportional to 87,276,624.75, 130,915,593.23 and 38,741,430.42 is: 58,112,436.87
Step by Step Solution
- Step 1: Write the proportion equation
87,276,624.75 : 130,915,593.23 = 38,741,430.42 : x - Step 2: Convert to fraction form
87,276,624.75/130,915,593.23 = 38,741,430.42/x - Step 3: Cross multiply
87,276,624.75x = 130,915,593.23 × 38,741,430.42 - Step 4: Simplify right side
87,276,624.75x = 5,071,857,345,819,361 - Step 5: Solve for x
x = 5,071,857,345,819,361/87,276,624.75 - Step 6: Final answer
x = 58,112,436.87
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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.