Home / 100,822,809.20-150,856,300.20-66,810,585.20

Finding the Fourth Proportional to 100,822,809.20, 150,856,300.20 and 66,810,585.20

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Solution

The fourth proportional to 100,822,809.20, 150,856,300.20 and 66,810,585.20 is: 99,965,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822,809.20 : 150,856,300.20 = 66,810,585.20 : x
  2. Step 2: Convert to fraction form
    100,822,809.20/150,856,300.20 = 66,810,585.20/x
  3. Step 3: Cross multiply
    100,822,809.20x = 150,856,300.20 × 66,810,585.20
  4. Step 4: Simplify right side
    100,822,809.20x = 10,078,797,697,468,876
  5. Step 5: Solve for x
    x = 10,078,797,697,468,876/100,822,809.20
  6. Step 6: Final answer
    x = 99,965,452.04

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1.5x scale

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.