Home / 140,940,579.84-211,342,520.46-82,667,299.68

Finding the Fourth Proportional to 140,940,579.84, 211,342,520.46 and 82,667,299.68

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Solution

The fourth proportional to 140,940,579.84, 211,342,520.46 and 82,667,299.68 is: 123,960,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,940,579.84 : 211,342,520.46 = 82,667,299.68 : x
  2. Step 2: Convert to fraction form
    140,940,579.84/211,342,520.46 = 82,667,299.68/x
  3. Step 3: Cross multiply
    140,940,579.84x = 211,342,520.46 × 82,667,299.68
  4. Step 4: Simplify right side
    140,940,579.84x = 17,471,115,473,993,354
  5. Step 5: Solve for x
    x = 17,471,115,473,993,354/140,940,579.84
  6. Step 6: Final answer
    x = 123,960,859.92

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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.