Home / 132,979,170.72-199,591,370.24-67,446,301.12

Finding the Fourth Proportional to 132,979,170.72, 199,591,370.24 and 67,446,301.12

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Solution

The fourth proportional to 132,979,170.72, 199,591,370.24 and 67,446,301.12 is: 101,231,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,979,170.72 : 199,591,370.24 = 67,446,301.12 : x
  2. Step 2: Convert to fraction form
    132,979,170.72/199,591,370.24 = 67,446,301.12/x
  3. Step 3: Cross multiply
    132,979,170.72x = 199,591,370.24 × 67,446,301.12
  4. Step 4: Simplify right side
    132,979,170.72x = 13,461,699,658,160,448
  5. Step 5: Solve for x
    x = 13,461,699,658,160,448/132,979,170.72
  6. Step 6: Final answer
    x = 101,231,640.90

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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.