Home / 84,218,229.20-126,327,343.80-26,715,000.80

Finding the Fourth Proportional to 84,218,229.20, 126,327,343.80 and 26,715,000.80

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Solution

The fourth proportional to 84,218,229.20, 126,327,343.80 and 26,715,000.80 is: 40,072,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218,229.20 : 126,327,343.80 = 26,715,000.80 : x
  2. Step 2: Convert to fraction form
    84,218,229.20/126,327,343.80 = 26,715,000.80/x
  3. Step 3: Cross multiply
    84,218,229.20x = 126,327,343.80 × 26,715,000.80
  4. Step 4: Simplify right side
    84,218,229.20x = 3,374,835,090,678,875
  5. Step 5: Solve for x
    x = 3,374,835,090,678,875/84,218,229.20
  6. Step 6: Final answer
    x = 40,072,501.20

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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.