Home / 83,241,940.20-124,862,910.30-40,195,219.20

Finding the Fourth Proportional to 83,241,940.20, 124,862,910.30 and 40,195,219.20

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Solution

The fourth proportional to 83,241,940.20, 124,862,910.30 and 40,195,219.20 is: 60,292,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,241,940.20 : 124,862,910.30 = 40,195,219.20 : x
  2. Step 2: Convert to fraction form
    83,241,940.20/124,862,910.30 = 40,195,219.20/x
  3. Step 3: Cross multiply
    83,241,940.20x = 124,862,910.30 × 40,195,219.20
  4. Step 4: Simplify right side
    83,241,940.20x = 5,018,892,049,458,438
  5. Step 5: Solve for x
    x = 5,018,892,049,458,438/83,241,940.20
  6. Step 6: Final answer
    x = 60,292,828.80

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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.