Home / 131,843,067.20-197,366,469.60-115,917,819.20

Finding the Fourth Proportional to 131,843,067.20, 197,366,469.60 and 115,917,819.20

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Solution

The fourth proportional to 131,843,067.20, 197,366,469.60 and 115,917,819.20 is: 173,526,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,843,067.20 : 197,366,469.60 = 115,917,819.20 : x
  2. Step 2: Convert to fraction form
    131,843,067.20/197,366,469.60 = 115,917,819.20/x
  3. Step 3: Cross multiply
    131,843,067.20x = 197,366,469.60 × 115,917,819.20
  4. Step 4: Simplify right side
    131,843,067.20x = 22,878,290,739,235,096
  5. Step 5: Solve for x
    x = 22,878,290,739,235,096/131,843,067.20
  6. Step 6: Final answer
    x = 173,526,687.64

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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.