Home / 83,221,454.80-124,832,182.20-82,027,061.20

Finding the Fourth Proportional to 83,221,454.80, 124,832,182.20 and 82,027,061.20

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Solution

The fourth proportional to 83,221,454.80, 124,832,182.20 and 82,027,061.20 is: 123,040,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,221,454.80 : 124,832,182.20 = 82,027,061.20 : x
  2. Step 2: Convert to fraction form
    83,221,454.80/124,832,182.20 = 82,027,061.20/x
  3. Step 3: Cross multiply
    83,221,454.80x = 124,832,182.20 × 82,027,061.20
  4. Step 4: Simplify right side
    83,221,454.80x = 10,239,617,049,048,952
  5. Step 5: Solve for x
    x = 10,239,617,049,048,952/83,221,454.80
  6. Step 6: Final answer
    x = 123,040,591.80

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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.