Home / 81,822,928.30-122,731,403.11-24,313,704.80

Finding the Fourth Proportional to 81,822,928.30, 122,731,403.11 and 24,313,704.80

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Solution

The fourth proportional to 81,822,928.30, 122,731,403.11 and 24,313,704.80 is: 36,469,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,822,928.30 : 122,731,403.11 = 24,313,704.80 : x
  2. Step 2: Convert to fraction form
    81,822,928.30/122,731,403.11 = 24,313,704.80/x
  3. Step 3: Cross multiply
    81,822,928.30x = 122,731,403.11 × 24,313,704.80
  4. Step 4: Simplify right side
    81,822,928.30x = 2,984,055,104,231,901
  5. Step 5: Solve for x
    x = 2,984,055,104,231,901/81,822,928.30
  6. Step 6: Final answer
    x = 36,469,668.91

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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.