Home / 252,584,616.94-378,890,507.12-80,074,882.53

Finding the Fourth Proportional to 252,584,616.94, 378,890,507.12 and 80,074,882.53

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Solution

The fourth proportional to 252,584,616.94, 378,890,507.12 and 80,074,882.53 is: 120,116,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,584,616.94 : 378,890,507.12 = 80,074,882.53 : x
  2. Step 2: Convert to fraction form
    252,584,616.94/378,890,507.12 = 80,074,882.53/x
  3. Step 3: Cross multiply
    252,584,616.94x = 378,890,507.12 × 80,074,882.53
  4. Step 4: Simplify right side
    252,584,616.94x = 30,339,612,848,965,756
  5. Step 5: Solve for x
    x = 30,339,612,848,965,756/252,584,616.94
  6. Step 6: Final answer
    x = 120,116,629.50

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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.