Finding the Fourth Proportional to 71,191,337.32, 106,786,225.92 and 54,024,988.96
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Solution
The fourth proportional to 71,191,337.32, 106,786,225.92 and 54,024,988.96 is: 81,036,891.48
Step by Step Solution
- Step 1: Write the proportion equation
71,191,337.32 : 106,786,225.92 = 54,024,988.96 : x - Step 2: Convert to fraction form
71,191,337.32/106,786,225.92 = 54,024,988.96/x - Step 3: Cross multiply
71,191,337.32x = 106,786,225.92 × 54,024,988.96 - Step 4: Simplify right side
71,191,337.32x = 5,769,124,676,408,066 - Step 5: Solve for x
x = 5,769,124,676,408,066/71,191,337.32 - Step 6: Final answer
x = 81,036,891.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.