Home / 82,498,477.95-123,670,786.43-27,872,861.61

Finding the Fourth Proportional to 82,498,477.95, 123,670,786.43 and 27,872,861.61

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Solution

The fourth proportional to 82,498,477.95, 123,670,786.43 and 27,872,861.61 is: 41,783,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,498,477.95 : 123,670,786.43 = 27,872,861.61 : x
  2. Step 2: Convert to fraction form
    82,498,477.95/123,670,786.43 = 27,872,861.61/x
  3. Step 3: Cross multiply
    82,498,477.95x = 123,670,786.43 × 27,872,861.61
  4. Step 4: Simplify right side
    82,498,477.95x = 3,447,058,715,363,256
  5. Step 5: Solve for x
    x = 3,447,058,715,363,256/82,498,477.95
  6. Step 6: Final answer
    x = 41,783,300.75

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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.