Home / 68,512,333.43-102,780,019.56-33,970,439.90

Finding the Fourth Proportional to 68,512,333.43, 102,780,019.56 and 33,970,439.90

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Solution

The fourth proportional to 68,512,333.43, 102,780,019.56 and 33,970,439.90 is: 50,961,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,512,333.43 : 102,780,019.56 = 33,970,439.90 : x
  2. Step 2: Convert to fraction form
    68,512,333.43/102,780,019.56 = 33,970,439.90/x
  3. Step 3: Cross multiply
    68,512,333.43x = 102,780,019.56 × 33,970,439.90
  4. Step 4: Simplify right side
    68,512,333.43x = 3,491,482,476,869,905
  5. Step 5: Solve for x
    x = 3,491,482,476,869,905/68,512,333.43
  6. Step 6: Final answer
    x = 50,961,371.51

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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.