Home / 82,261,731.48-123,406,469.73-27,661,337.82

Finding the Fourth Proportional to 82,261,731.48, 123,406,469.73 and 27,661,337.82

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Solution

The fourth proportional to 82,261,731.48, 123,406,469.73 and 27,661,337.82 is: 41,496,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,261,731.48 : 123,406,469.73 = 27,661,337.82 : x
  2. Step 2: Convert to fraction form
    82,261,731.48/123,406,469.73 = 27,661,337.82/x
  3. Step 3: Cross multiply
    82,261,731.48x = 123,406,469.73 × 27,661,337.82
  4. Step 4: Simplify right side
    82,261,731.48x = 3,413,588,048,375,134.50
  5. Step 5: Solve for x
    x = 3,413,588,048,375,134.50/82,261,731.48
  6. Step 6: Final answer
    x = 41,496,671.50

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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.