Home / 121,712,928.75-182,567,443.28-38,713,475.97

Finding the Fourth Proportional to 121,712,928.75, 182,567,443.28 and 38,713,475.97

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Solution

The fourth proportional to 121,712,928.75, 182,567,443.28 and 38,713,475.97 is: 58,069,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,712,928.75 : 182,567,443.28 = 38,713,475.97 : x
  2. Step 2: Convert to fraction form
    121,712,928.75/182,567,443.28 = 38,713,475.97/x
  3. Step 3: Cross multiply
    121,712,928.75x = 182,567,443.28 × 38,713,475.97
  4. Step 4: Simplify right side
    121,712,928.75x = 7,067,820,328,753,601
  5. Step 5: Solve for x
    x = 7,067,820,328,753,601/121,712,928.75
  6. Step 6: Final answer
    x = 58,069,593.77

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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.