Home / 54,272,360.20-81,408,540.30-53,894,446.60

Finding the Fourth Proportional to 54,272,360.20, 81,408,540.30 and 53,894,446.60

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Solution

The fourth proportional to 54,272,360.20, 81,408,540.30 and 53,894,446.60 is: 80,841,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272,360.20 : 81,408,540.30 = 53,894,446.60 : x
  2. Step 2: Convert to fraction form
    54,272,360.20/81,408,540.30 = 53,894,446.60/x
  3. Step 3: Cross multiply
    54,272,360.20x = 81,408,540.30 × 53,894,446.60
  4. Step 4: Simplify right side
    54,272,360.20x = 4,387,468,227,982,298
  5. Step 5: Solve for x
    x = 4,387,468,227,982,298/54,272,360.20
  6. Step 6: Final answer
    x = 80,841,669.90

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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.