Home / 54,222,001.70-81,333,002.55-18,319,691.30

Finding the Fourth Proportional to 54,222,001.70, 81,333,002.55 and 18,319,691.30

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Solution

The fourth proportional to 54,222,001.70, 81,333,002.55 and 18,319,691.30 is: 27,479,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,222,001.70 : 81,333,002.55 = 18,319,691.30 : x
  2. Step 2: Convert to fraction form
    54,222,001.70/81,333,002.55 = 18,319,691.30/x
  3. Step 3: Cross multiply
    54,222,001.70x = 81,333,002.55 × 18,319,691.30
  4. Step 4: Simplify right side
    54,222,001.70x = 1,489,995,499,218,112.75
  5. Step 5: Solve for x
    x = 1,489,995,499,218,112.75/54,222,001.70
  6. Step 6: Final answer
    x = 27,479,536.95

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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.