Home / 203,542,507.32-280,888,447.56-110,722,793.76

Finding the Fourth Proportional to 203,542,507.32, 280,888,447.56 and 110,722,793.76

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Solution

The fourth proportional to 203,542,507.32, 280,888,447.56 and 110,722,793.76 is: 152,797,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,542,507.32 : 280,888,447.56 = 110,722,793.76 : x
  2. Step 2: Convert to fraction form
    203,542,507.32/280,888,447.56 = 110,722,793.76/x
  3. Step 3: Cross multiply
    203,542,507.32x = 280,888,447.56 × 110,722,793.76
  4. Step 4: Simplify right side
    203,542,507.32x = 31,100,753,648,752,456
  5. Step 5: Solve for x
    x = 31,100,753,648,752,456/203,542,507.32
  6. Step 6: Final answer
    x = 152,797,339.77

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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.