Home / 139,599,286.92-192,597,150.60-80,829,873

Finding the Fourth Proportional to 139,599,286.92, 192,597,150.60 and 80,829,873

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Solution

The fourth proportional to 139,599,286.92, 192,597,150.60 and 80,829,873 is: 111,516,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,599,286.92 : 192,597,150.60 = 80,829,873 : x
  2. Step 2: Convert to fraction form
    139,599,286.92/192,597,150.60 = 80,829,873/x
  3. Step 3: Cross multiply
    139,599,286.92x = 192,597,150.60 × 80,829,873
  4. Step 4: Simplify right side
    139,599,286.92x = 15,567,603,223,159,874
  5. Step 5: Solve for x
    x = 15,567,603,223,159,874/139,599,286.92
  6. Step 6: Final answer
    x = 111,516,352.03

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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.