Home / 49,180,077.78-67,912,187.85-30,627,076.38

Finding the Fourth Proportional to 49,180,077.78, 67,912,187.85 and 30,627,076.38

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Solution

The fourth proportional to 49,180,077.78, 67,912,187.85 and 30,627,076.38 is: 42,292,567.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,180,077.78 : 67,912,187.85 = 30,627,076.38 : x
  2. Step 2: Convert to fraction form
    49,180,077.78/67,912,187.85 = 30,627,076.38/x
  3. Step 3: Cross multiply
    49,180,077.78x = 67,912,187.85 × 30,627,076.38
  4. Step 4: Simplify right side
    49,180,077.78x = 2,079,951,764,414,857.75
  5. Step 5: Solve for x
    x = 2,079,951,764,414,857.75/49,180,077.78
  6. Step 6: Final answer
    x = 42,292,567.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.