Home / 71,913,568.10-107,947,115.78-30,993,201.59

Finding the Fourth Proportional to 71,913,568.10, 107,947,115.78 and 30,993,201.59

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Solution

The fourth proportional to 71,913,568.10, 107,947,115.78 and 30,993,201.59 is: 46,522,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,913,568.10 : 107,947,115.78 = 30,993,201.59 : x
  2. Step 2: Convert to fraction form
    71,913,568.10/107,947,115.78 = 30,993,201.59/x
  3. Step 3: Cross multiply
    71,913,568.10x = 107,947,115.78 × 30,993,201.59
  4. Step 4: Simplify right side
    71,913,568.10x = 3,345,626,719,733,909
  5. Step 5: Solve for x
    x = 3,345,626,719,733,909/71,913,568.10
  6. Step 6: Final answer
    x = 46,522,885.85

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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.