Home / 87,454,179.20-131,181,268.80-30,720,483.20

Finding the Fourth Proportional to 87,454,179.20, 131,181,268.80 and 30,720,483.20

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Solution

The fourth proportional to 87,454,179.20, 131,181,268.80 and 30,720,483.20 is: 46,080,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,454,179.20 : 131,181,268.80 = 30,720,483.20 : x
  2. Step 2: Convert to fraction form
    87,454,179.20/131,181,268.80 = 30,720,483.20/x
  3. Step 3: Cross multiply
    87,454,179.20x = 131,181,268.80 × 30,720,483.20
  4. Step 4: Simplify right side
    87,454,179.20x = 4,029,951,964,325,084
  5. Step 5: Solve for x
    x = 4,029,951,964,325,084/87,454,179.20
  6. Step 6: Final answer
    x = 46,080,724.80

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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.