Home / 82,447,258.20-123,670,887.30-80,557,690.20

Finding the Fourth Proportional to 82,447,258.20, 123,670,887.30 and 80,557,690.20

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Solution

The fourth proportional to 82,447,258.20, 123,670,887.30 and 80,557,690.20 is: 120,836,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447,258.20 : 123,670,887.30 = 80,557,690.20 : x
  2. Step 2: Convert to fraction form
    82,447,258.20/123,670,887.30 = 80,557,690.20/x
  3. Step 3: Cross multiply
    82,447,258.20x = 123,670,887.30 × 80,557,690.20
  4. Step 4: Simplify right side
    82,447,258.20x = 9,962,641,025,872,514
  5. Step 5: Solve for x
    x = 9,962,641,025,872,514/82,447,258.20
  6. Step 6: Final answer
    x = 120,836,535.30

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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.