Home / 109,836,469.60-164,754,704.40-84,327,301.60

Finding the Fourth Proportional to 109,836,469.60, 164,754,704.40 and 84,327,301.60

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Solution

The fourth proportional to 109,836,469.60, 164,754,704.40 and 84,327,301.60 is: 126,490,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836,469.60 : 164,754,704.40 = 84,327,301.60 : x
  2. Step 2: Convert to fraction form
    109,836,469.60/164,754,704.40 = 84,327,301.60/x
  3. Step 3: Cross multiply
    109,836,469.60x = 164,754,704.40 × 84,327,301.60
  4. Step 4: Simplify right side
    109,836,469.60x = 13,893,319,647,957,646
  5. Step 5: Solve for x
    x = 13,893,319,647,957,646/109,836,469.60
  6. Step 6: Final answer
    x = 126,490,952.40

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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.