Home / 87,488,121.20-131,232,181.80-73,458,078.80

Finding the Fourth Proportional to 87,488,121.20, 131,232,181.80 and 73,458,078.80

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Solution

The fourth proportional to 87,488,121.20, 131,232,181.80 and 73,458,078.80 is: 110,187,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,121.20 : 131,232,181.80 = 73,458,078.80 : x
  2. Step 2: Convert to fraction form
    87,488,121.20/131,232,181.80 = 73,458,078.80/x
  3. Step 3: Cross multiply
    87,488,121.20x = 131,232,181.80 × 73,458,078.80
  4. Step 4: Simplify right side
    87,488,121.20x = 9,640,063,951,760,326
  5. Step 5: Solve for x
    x = 9,640,063,951,760,326/87,488,121.20
  6. Step 6: Final answer
    x = 110,187,118.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.