Home / 80,882,992.80-121,324,489.20-26,295,472.80

Finding the Fourth Proportional to 80,882,992.80, 121,324,489.20 and 26,295,472.80

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Solution

The fourth proportional to 80,882,992.80, 121,324,489.20 and 26,295,472.80 is: 39,443,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,882,992.80 : 121,324,489.20 = 26,295,472.80 : x
  2. Step 2: Convert to fraction form
    80,882,992.80/121,324,489.20 = 26,295,472.80/x
  3. Step 3: Cross multiply
    80,882,992.80x = 121,324,489.20 × 26,295,472.80
  4. Step 4: Simplify right side
    80,882,992.80x = 3,190,284,805,732,494
  5. Step 5: Solve for x
    x = 3,190,284,805,732,494/80,882,992.80
  6. Step 6: Final answer
    x = 39,443,209.20

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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.