Home / 138,481,660.80-207,722,491.20-132,104,368.80

Finding the Fourth Proportional to 138,481,660.80, 207,722,491.20 and 132,104,368.80

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Solution

The fourth proportional to 138,481,660.80, 207,722,491.20 and 132,104,368.80 is: 198,156,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,481,660.80 : 207,722,491.20 = 132,104,368.80 : x
  2. Step 2: Convert to fraction form
    138,481,660.80/207,722,491.20 = 132,104,368.80/x
  3. Step 3: Cross multiply
    138,481,660.80x = 207,722,491.20 × 132,104,368.80
  4. Step 4: Simplify right side
    138,481,660.80x = 27,441,048,585,539,552
  5. Step 5: Solve for x
    x = 27,441,048,585,539,552/138,481,660.80
  6. Step 6: Final answer
    x = 198,156,553.20

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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.