Home / 80,542,480.52-111,145,039.31-47,055,064.88

Finding the Fourth Proportional to 80,542,480.52, 111,145,039.31 and 47,055,064.88

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Solution

The fourth proportional to 80,542,480.52, 111,145,039.31 and 47,055,064.88 is: 64,933,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542,480.52 : 111,145,039.31 = 47,055,064.88 : x
  2. Step 2: Convert to fraction form
    80,542,480.52/111,145,039.31 = 47,055,064.88/x
  3. Step 3: Cross multiply
    80,542,480.52x = 111,145,039.31 × 47,055,064.88
  4. Step 4: Simplify right side
    80,542,480.52x = 5,229,937,035,586,926
  5. Step 5: Solve for x
    x = 5,229,937,035,586,926/80,542,480.52
  6. Step 6: Final answer
    x = 64,933,895.78

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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.