Home / 131,589,256.80-197,383,885.20-129,321,775.20

Finding the Fourth Proportional to 131,589,256.80, 197,383,885.20 and 129,321,775.20

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Solution

The fourth proportional to 131,589,256.80, 197,383,885.20 and 129,321,775.20 is: 193,982,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,589,256.80 : 197,383,885.20 = 129,321,775.20 : x
  2. Step 2: Convert to fraction form
    131,589,256.80/197,383,885.20 = 129,321,775.20/x
  3. Step 3: Cross multiply
    131,589,256.80x = 197,383,885.20 × 129,321,775.20
  4. Step 4: Simplify right side
    131,589,256.80x = 25,526,034,429,937,008
  5. Step 5: Solve for x
    x = 25,526,034,429,937,008/131,589,256.80
  6. Step 6: Final answer
    x = 193,982,662.80

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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.