Finding the Fourth Proportional to 56,697,231.56, 84,976,755.12 and 29,388,468.74
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Solution
The fourth proportional to 56,697,231.56, 84,976,755.12 and 29,388,468.74 is: 44,046,889.82
Step by Step Solution
- Step 1: Write the proportion equation
56,697,231.56 : 84,976,755.12 = 29,388,468.74 : x - Step 2: Convert to fraction form
56,697,231.56/84,976,755.12 = 29,388,468.74/x - Step 3: Cross multiply
56,697,231.56x = 84,976,755.12 × 29,388,468.74 - Step 4: Simplify right side
56,697,231.56x = 2,497,336,711,470,755 - Step 5: Solve for x
x = 2,497,336,711,470,755/56,697,231.56 - Step 6: Final answer
x = 44,046,889.82
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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.