Home / 123,505,617.78-185,024,589.39-82,441,235.70

Finding the Fourth Proportional to 123,505,617.78, 185,024,589.39 and 82,441,235.70

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Solution

The fourth proportional to 123,505,617.78, 185,024,589.39 and 82,441,235.70 is: 123,505,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,505,617.78 : 185,024,589.39 = 82,441,235.70 : x
  2. Step 2: Convert to fraction form
    123,505,617.78/185,024,589.39 = 82,441,235.70/x
  3. Step 3: Cross multiply
    123,505,617.78x = 185,024,589.39 × 82,441,235.70
  4. Step 4: Simplify right side
    123,505,617.78x = 15,253,655,784,196,708
  5. Step 5: Solve for x
    x = 15,253,655,784,196,708/123,505,617.78
  6. Step 6: Final answer
    x = 123,505,764.83

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Double scale
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1.5x scale

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.