Home / 49,449,919.85-74,173,993.12-20,297,428.55

Finding the Fourth Proportional to 49,449,919.85, 74,173,993.12 and 20,297,428.55

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Solution

The fourth proportional to 49,449,919.85, 74,173,993.12 and 20,297,428.55 is: 30,445,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449,919.85 : 74,173,993.12 = 20,297,428.55 : x
  2. Step 2: Convert to fraction form
    49,449,919.85/74,173,993.12 = 20,297,428.55/x
  3. Step 3: Cross multiply
    49,449,919.85x = 74,173,993.12 × 20,297,428.55
  4. Step 4: Simplify right side
    49,449,919.85x = 1,505,541,325,149,034.50
  5. Step 5: Solve for x
    x = 1,505,541,325,149,034.50/49,449,919.85
  6. Step 6: Final answer
    x = 30,445,778.88

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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.