Home / 139,694,063.25-192,782,178.14-80,166,249.66

Finding the Fourth Proportional to 139,694,063.25, 192,782,178.14 and 80,166,249.66

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Solution

The fourth proportional to 139,694,063.25, 192,782,178.14 and 80,166,249.66 is: 110,631,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,694,063.25 : 192,782,178.14 = 80,166,249.66 : x
  2. Step 2: Convert to fraction form
    139,694,063.25/192,782,178.14 = 80,166,249.66/x
  3. Step 3: Cross multiply
    139,694,063.25x = 192,782,178.14 × 80,166,249.66
  4. Step 4: Simplify right side
    139,694,063.25x = 15,454,624,222,769,832
  5. Step 5: Solve for x
    x = 15,454,624,222,769,832/139,694,063.25
  6. Step 6: Final answer
    x = 110,631,932.83

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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.