Home / 48,280,067.40-72,420,101.10-20,981,714.70

Finding the Fourth Proportional to 48,280,067.40, 72,420,101.10 and 20,981,714.70

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Solution

The fourth proportional to 48,280,067.40, 72,420,101.10 and 20,981,714.70 is: 31,472,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280,067.40 : 72,420,101.10 = 20,981,714.70 : x
  2. Step 2: Convert to fraction form
    48,280,067.40/72,420,101.10 = 20,981,714.70/x
  3. Step 3: Cross multiply
    48,280,067.40x = 72,420,101.10 × 20,981,714.70
  4. Step 4: Simplify right side
    48,280,067.40x = 1,519,497,899,825,356
  5. Step 5: Solve for x
    x = 1,519,497,899,825,356/48,280,067.40
  6. Step 6: Final answer
    x = 31,472,572.05

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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.