Home / 54,229,522.20-81,423,999.45-38,126,859.90

Finding the Fourth Proportional to 54,229,522.20, 81,423,999.45 and 38,126,859.90

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Solution

The fourth proportional to 54,229,522.20, 81,423,999.45 and 38,126,859.90 is: 57,246,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229,522.20 : 81,423,999.45 = 38,126,859.90 : x
  2. Step 2: Convert to fraction form
    54,229,522.20/81,423,999.45 = 38,126,859.90/x
  3. Step 3: Cross multiply
    54,229,522.20x = 81,423,999.45 × 38,126,859.90
  4. Step 4: Simplify right side
    54,229,522.20x = 3,104,441,419,527,827
  5. Step 5: Solve for x
    x = 3,104,441,419,527,827/54,229,522.20
  6. Step 6: Final answer
    x = 57,246,335.46

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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.