Home / 49,485,819.93-74,204,445.02-20,334,377.85

Finding the Fourth Proportional to 49,485,819.93, 74,204,445.02 and 20,334,377.85

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Solution

The fourth proportional to 49,485,819.93, 74,204,445.02 and 20,334,377.85 is: 30,491,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485,819.93 : 74,204,445.02 = 20,334,377.85 : x
  2. Step 2: Convert to fraction form
    49,485,819.93/74,204,445.02 = 20,334,377.85/x
  3. Step 3: Cross multiply
    49,485,819.93x = 74,204,445.02 × 20,334,377.85
  4. Step 4: Simplify right side
    49,485,819.93x = 1,508,901,223,084,559
  5. Step 5: Solve for x
    x = 1,508,901,223,084,559/49,485,819.93
  6. Step 6: Final answer
    x = 30,491,587.80

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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.