Finding the Fourth Proportional to 372,215,244.30, 558,343,861.65 and 113,438,906.70
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Solution
The fourth proportional to 372,215,244.30, 558,343,861.65 and 113,438,906.70 is: 170,164,758.69
Step by Step Solution
- Step 1: Write the proportion equation
372,215,244.30 : 558,343,861.65 = 113,438,906.70 : x - Step 2: Convert to fraction form
372,215,244.30/558,343,861.65 = 113,438,906.70/x - Step 3: Cross multiply
372,215,244.30x = 558,343,861.65 × 113,438,906.70 - Step 4: Simplify right side
372,215,244.30x = 63,337,917,228,232,056 - Step 5: Solve for x
x = 63,337,917,228,232,056/372,215,244.30 - Step 6: Final answer
x = 170,164,758.69
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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.