Finding the Fourth Proportional to 83,542,691.98, 125,339,694.45 and 39,879,167.68
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Solution
The fourth proportional to 83,542,691.98, 125,339,694.45 and 39,879,167.68 is: 59,830,998.66
Step by Step Solution
- Step 1: Write the proportion equation
83,542,691.98 : 125,339,694.45 = 39,879,167.68 : x - Step 2: Convert to fraction form
83,542,691.98/125,339,694.45 = 39,879,167.68/x - Step 3: Cross multiply
83,542,691.98x = 125,339,694.45 × 39,879,167.68 - Step 4: Simplify right side
83,542,691.98x = 4,998,442,691,931,515 - Step 5: Solve for x
x = 4,998,442,691,931,515/83,542,691.98 - Step 6: Final answer
x = 59,830,998.66
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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.