Finding the Fourth Proportional to 126,102,490.92, 173,999,885.92 and 73,167,063.24
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Solution
The fourth proportional to 126,102,490.92, 173,999,885.92 and 73,167,063.24 is: 100,958,042.65
Step by Step Solution
- Step 1: Write the proportion equation
126,102,490.92 : 173,999,885.92 = 73,167,063.24 : x - Step 2: Convert to fraction form
126,102,490.92/173,999,885.92 = 73,167,063.24/x - Step 3: Cross multiply
126,102,490.92x = 173,999,885.92 × 73,167,063.24 - Step 4: Simplify right side
126,102,490.92x = 12,731,060,656,861,424 - Step 5: Solve for x
x = 12,731,060,656,861,424/126,102,490.92 - Step 6: Final answer
x = 100,958,042.65
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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.