Home / 217,224,010.60-325,836,015.90-125,391,005.80

Finding the Fourth Proportional to 217,224,010.60, 325,836,015.90 and 125,391,005.80

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Solution

The fourth proportional to 217,224,010.60, 325,836,015.90 and 125,391,005.80 is: 188,086,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,224,010.60 : 325,836,015.90 = 125,391,005.80 : x
  2. Step 2: Convert to fraction form
    217,224,010.60/325,836,015.90 = 125,391,005.80/x
  3. Step 3: Cross multiply
    217,224,010.60x = 325,836,015.90 × 125,391,005.80
  4. Step 4: Simplify right side
    217,224,010.60x = 40,856,905,759,565,792
  5. Step 5: Solve for x
    x = 40,856,905,759,565,792/217,224,010.60
  6. Step 6: Final answer
    x = 188,086,508.70

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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.