Home / 80,617,869.05-120,906,874.28-34,554,514.55

Finding the Fourth Proportional to 80,617,869.05, 120,906,874.28 and 34,554,514.55

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Solution

The fourth proportional to 80,617,869.05, 120,906,874.28 and 34,554,514.55 is: 51,823,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617,869.05 : 120,906,874.28 = 34,554,514.55 : x
  2. Step 2: Convert to fraction form
    80,617,869.05/120,906,874.28 = 34,554,514.55/x
  3. Step 3: Cross multiply
    80,617,869.05x = 120,906,874.28 × 34,554,514.55
  4. Step 4: Simplify right side
    80,617,869.05x = 4,177,878,345,725,974.50
  5. Step 5: Solve for x
    x = 4,177,878,345,725,974.50/80,617,869.05
  6. Step 6: Final answer
    x = 51,823,229.70

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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.