Home / 108,841,720.80-150,195,906-67,587,733.92

Finding the Fourth Proportional to 108,841,720.80, 150,195,906 and 67,587,733.92

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Solution

The fourth proportional to 108,841,720.80, 150,195,906 and 67,587,733.92 is: 93,267,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,841,720.80 : 150,195,906 = 67,587,733.92 : x
  2. Step 2: Convert to fraction form
    108,841,720.80/150,195,906 = 67,587,733.92/x
  3. Step 3: Cross multiply
    108,841,720.80x = 150,195,906 × 67,587,733.92
  4. Step 4: Simplify right side
    108,841,720.80x = 10,151,400,930,601,332
  5. Step 5: Solve for x
    x = 10,151,400,930,601,332/108,841,720.80
  6. Step 6: Final answer
    x = 93,267,552.70

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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.