Home / 257,981,086.20-387,138,110.28-94,205,132.04

Finding the Fourth Proportional to 257,981,086.20, 387,138,110.28 and 94,205,132.04

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Solution

The fourth proportional to 257,981,086.20, 387,138,110.28 and 94,205,132.04 is: 141,368,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,981,086.20 : 387,138,110.28 = 94,205,132.04 : x
  2. Step 2: Convert to fraction form
    257,981,086.20/387,138,110.28 = 94,205,132.04/x
  3. Step 3: Cross multiply
    257,981,086.20x = 387,138,110.28 × 94,205,132.04
  4. Step 4: Simplify right side
    257,981,086.20x = 36,470,396,796,643,480
  5. Step 5: Solve for x
    x = 36,470,396,796,643,480/257,981,086.20
  6. Step 6: Final answer
    x = 141,368,490.74

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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.