Home / 129,895,211.91-179,213,215.65-88,570,359.75

Finding the Fourth Proportional to 129,895,211.91, 179,213,215.65 and 88,570,359.75

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Solution

The fourth proportional to 129,895,211.91, 179,213,215.65 and 88,570,359.75 is: 122,198,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,895,211.91 : 179,213,215.65 = 88,570,359.75 : x
  2. Step 2: Convert to fraction form
    129,895,211.91/179,213,215.65 = 88,570,359.75/x
  3. Step 3: Cross multiply
    129,895,211.91x = 179,213,215.65 × 88,570,359.75
  4. Step 4: Simplify right side
    129,895,211.91x = 15,872,978,982,074,830
  5. Step 5: Solve for x
    x = 15,872,978,982,074,830/129,895,211.91
  6. Step 6: Final answer
    x = 122,198,337.79

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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.