Finding the Fourth Proportional to 372,215,272.30, 558,343,903.65 and 113,438,934.70
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Solution
The fourth proportional to 372,215,272.30, 558,343,903.65 and 113,438,934.70 is: 170,164,800.69
Step by Step Solution
- Step 1: Write the proportion equation
372,215,272.30 : 558,343,903.65 = 113,438,934.70 : x - Step 2: Convert to fraction form
372,215,272.30/558,343,903.65 = 113,438,934.70/x - Step 3: Cross multiply
372,215,272.30x = 558,343,903.65 × 113,438,934.70 - Step 4: Simplify right side
372,215,272.30x = 63,337,937,626,295,440 - Step 5: Solve for x
x = 63,337,937,626,295,440/372,215,272.30 - Step 6: Final answer
x = 170,164,800.69
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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.