Home / 83,229,835.20-124,844,752.80-73,152,139.20

Finding the Fourth Proportional to 83,229,835.20, 124,844,752.80 and 73,152,139.20

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Solution

The fourth proportional to 83,229,835.20, 124,844,752.80 and 73,152,139.20 is: 109,728,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,229,835.20 : 124,844,752.80 = 73,152,139.20 : x
  2. Step 2: Convert to fraction form
    83,229,835.20/124,844,752.80 = 73,152,139.20/x
  3. Step 3: Cross multiply
    83,229,835.20x = 124,844,752.80 × 73,152,139.20
  4. Step 4: Simplify right side
    83,229,835.20x = 9,132,660,735,215,190
  5. Step 5: Solve for x
    x = 9,132,660,735,215,190/83,229,835.20
  6. Step 6: Final answer
    x = 109,728,208.80

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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.