Home / 254,976,979.20-382,465,468.80-82,471,230.60

Finding the Fourth Proportional to 254,976,979.20, 382,465,468.80 and 82,471,230.60

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Solution

The fourth proportional to 254,976,979.20, 382,465,468.80 and 82,471,230.60 is: 123,706,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,976,979.20 : 382,465,468.80 = 82,471,230.60 : x
  2. Step 2: Convert to fraction form
    254,976,979.20/382,465,468.80 = 82,471,230.60/x
  3. Step 3: Cross multiply
    254,976,979.20x = 382,465,468.80 × 82,471,230.60
  4. Step 4: Simplify right side
    254,976,979.20x = 31,542,397,873,941,904
  5. Step 5: Solve for x
    x = 31,542,397,873,941,904/254,976,979.20
  6. Step 6: Final answer
    x = 123,706,845.90

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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.