Home / 131,922,040.94-182,055,766.96-72,383,321.28

Finding the Fourth Proportional to 131,922,040.94, 182,055,766.96 and 72,383,321.28

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Solution

The fourth proportional to 131,922,040.94, 182,055,766.96 and 72,383,321.28 is: 99,890,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,922,040.94 : 182,055,766.96 = 72,383,321.28 : x
  2. Step 2: Convert to fraction form
    131,922,040.94/182,055,766.96 = 72,383,321.28/x
  3. Step 3: Cross multiply
    131,922,040.94x = 182,055,766.96 × 72,383,321.28
  4. Step 4: Simplify right side
    131,922,040.94x = 13,177,801,071,515,678
  5. Step 5: Solve for x
    x = 13,177,801,071,515,678/131,922,040.94
  6. Step 6: Final answer
    x = 99,890,821.71

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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.