Home / 81,451,040.80-122,176,561.20-23,949,124.60

Finding the Fourth Proportional to 81,451,040.80, 122,176,561.20 and 23,949,124.60

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Solution

The fourth proportional to 81,451,040.80, 122,176,561.20 and 23,949,124.60 is: 35,923,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,451,040.80 : 122,176,561.20 = 23,949,124.60 : x
  2. Step 2: Convert to fraction form
    81,451,040.80/122,176,561.20 = 23,949,124.60/x
  3. Step 3: Cross multiply
    81,451,040.80x = 122,176,561.20 × 23,949,124.60
  4. Step 4: Simplify right side
    81,451,040.80x = 2,926,021,687,378,326
  5. Step 5: Solve for x
    x = 2,926,021,687,378,326/81,451,040.80
  6. Step 6: Final answer
    x = 35,923,686.90

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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.