Home / 187,508,857.92-258,737,684.95-108,126,851.37

Finding the Fourth Proportional to 187,508,857.92, 258,737,684.95 and 108,126,851.37

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Solution

The fourth proportional to 187,508,857.92, 258,737,684.95 and 108,126,851.37 is: 149,200,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,508,857.92 : 258,737,684.95 = 108,126,851.37 : x
  2. Step 2: Convert to fraction form
    187,508,857.92/258,737,684.95 = 108,126,851.37/x
  3. Step 3: Cross multiply
    187,508,857.92x = 258,737,684.95 × 108,126,851.37
  4. Step 4: Simplify right side
    187,508,857.92x = 27,976,491,202,842,528
  5. Step 5: Solve for x
    x = 27,976,491,202,842,528/187,508,857.92
  6. Step 6: Final answer
    x = 149,200,904.50

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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.