Finding the Fourth Proportional to 72,467,127.92, 108,768,795.68 and 37,948,306.08
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Solution
The fourth proportional to 72,467,127.92, 108,768,795.68 and 37,948,306.08 is: 56,958,122.52
Step by Step Solution
- Step 1: Write the proportion equation
72,467,127.92 : 108,768,795.68 = 37,948,306.08 : x - Step 2: Convert to fraction form
72,467,127.92/108,768,795.68 = 37,948,306.08/x - Step 3: Cross multiply
72,467,127.92x = 108,768,795.68 × 37,948,306.08 - Step 4: Simplify right side
72,467,127.92x = 4,127,591,550,417,622 - Step 5: Solve for x
x = 4,127,591,550,417,622/72,467,127.92 - Step 6: Final answer
x = 56,958,122.52
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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.