Home / 123,639,638.97-185,241,208.82-75,018,760.41

Finding the Fourth Proportional to 123,639,638.97, 185,241,208.82 and 75,018,760.41

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Solution

The fourth proportional to 123,639,638.97, 185,241,208.82 and 75,018,760.41 is: 112,395,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,639,638.97 : 185,241,208.82 = 75,018,760.41 : x
  2. Step 2: Convert to fraction form
    123,639,638.97/185,241,208.82 = 75,018,760.41/x
  3. Step 3: Cross multiply
    123,639,638.97x = 185,241,208.82 × 75,018,760.41
  4. Step 4: Simplify right side
    123,639,638.97x = 13,896,565,862,151,264
  5. Step 5: Solve for x
    x = 13,896,565,862,151,264/123,639,638.97
  6. Step 6: Final answer
    x = 112,395,716.92

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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.