Home / 49,467,310.26-74,179,314.09-20,301,147.78

Finding the Fourth Proportional to 49,467,310.26, 74,179,314.09 and 20,301,147.78

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Solution

The fourth proportional to 49,467,310.26, 74,179,314.09 and 20,301,147.78 is: 30,442,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,467,310.26 : 74,179,314.09 = 20,301,147.78 : x
  2. Step 2: Convert to fraction form
    49,467,310.26/74,179,314.09 = 20,301,147.78/x
  3. Step 3: Cross multiply
    49,467,310.26x = 74,179,314.09 × 20,301,147.78
  4. Step 4: Simplify right side
    49,467,310.26x = 1,505,925,217,560,126.50
  5. Step 5: Solve for x
    x = 1,505,925,217,560,126.50/49,467,310.26
  6. Step 6: Final answer
    x = 30,442,836.08

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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.