Home / 71,239,315.20-106,858,972.80-17,386,627.20

Finding the Fourth Proportional to 71,239,315.20, 106,858,972.80 and 17,386,627.20

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Solution

The fourth proportional to 71,239,315.20, 106,858,972.80 and 17,386,627.20 is: 26,079,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,239,315.20 : 106,858,972.80 = 17,386,627.20 : x
  2. Step 2: Convert to fraction form
    71,239,315.20/106,858,972.80 = 17,386,627.20/x
  3. Step 3: Cross multiply
    71,239,315.20x = 106,858,972.80 × 17,386,627.20
  4. Step 4: Simplify right side
    71,239,315.20x = 1,857,917,123,048,540
  5. Step 5: Solve for x
    x = 1,857,917,123,048,540/71,239,315.20
  6. Step 6: Final answer
    x = 26,079,940.80

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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.