Finding the Fourth Proportional to 125,821,442.42, 173,544,148.41 and 83,984,414
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Solution
The fourth proportional to 125,821,442.42, 173,544,148.41 and 83,984,414 is: 115,838,789.69
Step by Step Solution
- Step 1: Write the proportion equation
125,821,442.42 : 173,544,148.41 = 83,984,414 : x - Step 2: Convert to fraction form
125,821,442.42/173,544,148.41 = 83,984,414/x - Step 3: Cross multiply
125,821,442.42x = 173,544,148.41 × 83,984,414 - Step 4: Simplify right side
125,821,442.42x = 14,575,003,607,342,882 - Step 5: Solve for x
x = 14,575,003,607,342,882/125,821,442.42 - Step 6: Final answer
x = 115,838,789.69
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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.