Home / 82,134,000.70-123,201,001.05-49,822,387.90

Finding the Fourth Proportional to 82,134,000.70, 123,201,001.05 and 49,822,387.90

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Solution

The fourth proportional to 82,134,000.70, 123,201,001.05 and 49,822,387.90 is: 74,733,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,134,000.70 : 123,201,001.05 = 49,822,387.90 : x
  2. Step 2: Convert to fraction form
    82,134,000.70/123,201,001.05 = 49,822,387.90/x
  3. Step 3: Cross multiply
    82,134,000.70x = 123,201,001.05 × 49,822,387.90
  4. Step 4: Simplify right side
    82,134,000.70x = 6,138,168,063,981,407
  5. Step 5: Solve for x
    x = 6,138,168,063,981,407/82,134,000.70
  6. Step 6: Final answer
    x = 74,733,581.85

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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.