Finding the Fourth Proportional to 56,509,234.20, 84,763,851.30 and 39,290,545.80
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Solution
The fourth proportional to 56,509,234.20, 84,763,851.30 and 39,290,545.80 is: 58,935,818.70
Step by Step Solution
- Step 1: Write the proportion equation
56,509,234.20 : 84,763,851.30 = 39,290,545.80 : x - Step 2: Convert to fraction form
56,509,234.20/84,763,851.30 = 39,290,545.80/x - Step 3: Cross multiply
56,509,234.20x = 84,763,851.30 × 39,290,545.80 - Step 4: Simplify right side
56,509,234.20x = 3,330,417,981,687,039 - Step 5: Solve for x
x = 3,330,417,981,687,039/56,509,234.20 - Step 6: Final answer
x = 58,935,818.70
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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.