Finding the Fourth Proportional to 205,553,773.68, 283,682,144.68 and 112,752,217.72
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Solution
The fourth proportional to 205,553,773.68, 283,682,144.68 and 112,752,217.72 is: 155,607,899.42
Step by Step Solution
- Step 1: Write the proportion equation
205,553,773.68 : 283,682,144.68 = 112,752,217.72 : x - Step 2: Convert to fraction form
205,553,773.68/283,682,144.68 = 112,752,217.72/x - Step 3: Cross multiply
205,553,773.68x = 283,682,144.68 × 112,752,217.72 - Step 4: Simplify right side
205,553,773.68x = 31,985,790,940,235,900 - Step 5: Solve for x
x = 31,985,790,940,235,900/205,553,773.68 - Step 6: Final answer
x = 155,607,899.42
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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.