Home / 129,341,447.40-194,012,171.10-88,526,778.60

Finding the Fourth Proportional to 129,341,447.40, 194,012,171.10 and 88,526,778.60

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Solution

The fourth proportional to 129,341,447.40, 194,012,171.10 and 88,526,778.60 is: 132,790,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,341,447.40 : 194,012,171.10 = 88,526,778.60 : x
  2. Step 2: Convert to fraction form
    129,341,447.40/194,012,171.10 = 88,526,778.60/x
  3. Step 3: Cross multiply
    129,341,447.40x = 194,012,171.10 × 88,526,778.60
  4. Step 4: Simplify right side
    129,341,447.40x = 17,175,272,516,675,016
  5. Step 5: Solve for x
    x = 17,175,272,516,675,016/129,341,447.40
  6. Step 6: Final answer
    x = 132,790,167.90

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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.