Home / 91,155,549.35-125,794,664.25-49,902,441.72

Finding the Fourth Proportional to 91,155,549.35, 125,794,664.25 and 49,902,441.72

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Solution

The fourth proportional to 91,155,549.35, 125,794,664.25 and 49,902,441.72 is: 68,865,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,155,549.35 : 125,794,664.25 = 49,902,441.72 : x
  2. Step 2: Convert to fraction form
    91,155,549.35/125,794,664.25 = 49,902,441.72/x
  3. Step 3: Cross multiply
    91,155,549.35x = 125,794,664.25 × 49,902,441.72
  4. Step 4: Simplify right side
    91,155,549.35x = 6,277,460,901,422,592
  5. Step 5: Solve for x
    x = 6,277,460,901,422,592/91,155,549.35
  6. Step 6: Final answer
    x = 68,865,372.94

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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.