Finding the Fourth Proportional to 207,695,778.68, 311,560,164.82 and 69,522,115.14
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Solution
The fourth proportional to 207,695,778.68, 311,560,164.82 and 69,522,115.14 is: 104,288,694.69
Step by Step Solution
- Step 1: Write the proportion equation
207,695,778.68 : 311,560,164.82 = 69,522,115.14 : x - Step 2: Convert to fraction form
207,695,778.68/311,560,164.82 = 69,522,115.14/x - Step 3: Cross multiply
207,695,778.68x = 311,560,164.82 × 69,522,115.14 - Step 4: Simplify right side
207,695,778.68x = 21,660,321,651,653,416 - Step 5: Solve for x
x = 21,660,321,651,653,416/207,695,778.68 - Step 6: Final answer
x = 104,288,694.69
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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.