Home / 82,498,476.95-123,670,784.93-27,872,860.61

Finding the Fourth Proportional to 82,498,476.95, 123,670,784.93 and 27,872,860.61

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Solution

The fourth proportional to 82,498,476.95, 123,670,784.93 and 27,872,860.61 is: 41,783,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,498,476.95 : 123,670,784.93 = 27,872,860.61 : x
  2. Step 2: Convert to fraction form
    82,498,476.95/123,670,784.93 = 27,872,860.61/x
  3. Step 3: Cross multiply
    82,498,476.95x = 123,670,784.93 × 27,872,860.61
  4. Step 4: Simplify right side
    82,498,476.95x = 3,447,058,550,259,702
  5. Step 5: Solve for x
    x = 3,447,058,550,259,702/82,498,476.95
  6. Step 6: Final answer
    x = 41,783,299.25

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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.