Home / 60,614,821.88-90,923,020.74-20,225,305.88

Finding the Fourth Proportional to 60,614,821.88, 90,923,020.74 and 20,225,305.88

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Solution

The fourth proportional to 60,614,821.88, 90,923,020.74 and 20,225,305.88 is: 30,338,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,614,821.88 : 90,923,020.74 = 20,225,305.88 : x
  2. Step 2: Convert to fraction form
    60,614,821.88/90,923,020.74 = 20,225,305.88/x
  3. Step 3: Cross multiply
    60,614,821.88x = 90,923,020.74 × 20,225,305.88
  4. Step 4: Simplify right side
    60,614,821.88x = 1,838,945,905,545,468.75
  5. Step 5: Solve for x
    x = 1,838,945,905,545,468.75/60,614,821.88
  6. Step 6: Final answer
    x = 30,338,221.72

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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.