Home / 91,136,843.52-125,770,025.34-49,882,850.16

Finding the Fourth Proportional to 91,136,843.52, 125,770,025.34 and 49,882,850.16

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Solution

The fourth proportional to 91,136,843.52, 125,770,025.34 and 49,882,850.16 is: 68,838,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,136,843.52 : 125,770,025.34 = 49,882,850.16 : x
  2. Step 2: Convert to fraction form
    91,136,843.52/125,770,025.34 = 49,882,850.16/x
  3. Step 3: Cross multiply
    91,136,843.52x = 125,770,025.34 × 49,882,850.16
  4. Step 4: Simplify right side
    91,136,843.52x = 6,273,767,328,654,623
  5. Step 5: Solve for x
    x = 6,273,767,328,654,623/91,136,843.52
  6. Step 6: Final answer
    x = 68,838,979.78

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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.