Home / 81,147,188,118.20-111,936,594,065.13-50,610,356,027.78

Finding the Fourth Proportional to 81,147,188,118.20, 111,936,594,065.13 and 50,610,356,027.78

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Solution

The fourth proportional to 81,147,188,118.20, 111,936,594,065.13 and 50,610,356,027.78 is: 69,813,273,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,147,188,118.20 : 111,936,594,065.13 = 50,610,356,027.78 : x
  2. Step 2: Convert to fraction form
    81,147,188,118.20/111,936,594,065.13 = 50,610,356,027.78/x
  3. Step 3: Cross multiply
    81,147,188,118.20x = 111,936,594,065.13 × 50,610,356,027.78
  4. Step 4: Simplify right side
    81,147,188,118.20x = 5,665,150,878,172,756,049,920
  5. Step 5: Solve for x
    x = 5,665,150,878,172,756,049,920/81,147,188,118.20
  6. Step 6: Final answer
    x = 69,813,273,996.89

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1.5x scale

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.