Home / 108,115,194.52-149,201,377.50-61,704,517.24

Finding the Fourth Proportional to 108,115,194.52, 149,201,377.50 and 61,704,517.24

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Solution

The fourth proportional to 108,115,194.52, 149,201,377.50 and 61,704,517.24 is: 85,153,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115,194.52 : 149,201,377.50 = 61,704,517.24 : x
  2. Step 2: Convert to fraction form
    108,115,194.52/149,201,377.50 = 61,704,517.24/x
  3. Step 3: Cross multiply
    108,115,194.52x = 149,201,377.50 × 61,704,517.24
  4. Step 4: Simplify right side
    108,115,194.52x = 9,206,398,970,180,498
  5. Step 5: Solve for x
    x = 9,206,398,970,180,498/108,115,194.52
  6. Step 6: Final answer
    x = 85,153,608.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.