Finding the Fourth Proportional to 207,695,772.83, 311,560,156.05 and 69,522,109.28
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Solution
The fourth proportional to 207,695,772.83, 311,560,156.05 and 69,522,109.28 is: 104,288,685.90
Step by Step Solution
- Step 1: Write the proportion equation
207,695,772.83 : 311,560,156.05 = 69,522,109.28 : x - Step 2: Convert to fraction form
207,695,772.83/311,560,156.05 = 69,522,109.28/x - Step 3: Cross multiply
207,695,772.83x = 311,560,156.05 × 69,522,109.28 - Step 4: Simplify right side
207,695,772.83x = 21,660,319,214,644,156 - Step 5: Solve for x
x = 21,660,319,214,644,156/207,695,772.83 - Step 6: Final answer
x = 104,288,685.90
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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.