Finding the Fourth Proportional to 86,319,658.35, 119,119,734.68 and 47,160,592.29
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Solution
The fourth proportional to 86,319,658.35, 119,119,734.68 and 47,160,592.29 is: 65,080,855.83
Step by Step Solution
- Step 1: Write the proportion equation
86,319,658.35 : 119,119,734.68 = 47,160,592.29 : x - Step 2: Convert to fraction form
86,319,658.35/119,119,734.68 = 47,160,592.29/x - Step 3: Cross multiply
86,319,658.35x = 119,119,734.68 × 47,160,592.29 - Step 4: Simplify right side
86,319,658.35x = 5,617,757,240,700,650 - Step 5: Solve for x
x = 5,617,757,240,700,650/86,319,658.35 - Step 6: Final answer
x = 65,080,855.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.