Home / 250,416,272.54-345,573,183.12-138,905,958.90

Finding the Fourth Proportional to 250,416,272.54, 345,573,183.12 and 138,905,958.90

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Solution

The fourth proportional to 250,416,272.54, 345,573,183.12 and 138,905,958.90 is: 191,689,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,416,272.54 : 345,573,183.12 = 138,905,958.90 : x
  2. Step 2: Convert to fraction form
    250,416,272.54/345,573,183.12 = 138,905,958.90/x
  3. Step 3: Cross multiply
    250,416,272.54x = 345,573,183.12 × 138,905,958.90
  4. Step 4: Simplify right side
    250,416,272.54x = 48,002,174,371,408,896
  5. Step 5: Solve for x
    x = 48,002,174,371,408,896/250,416,272.54
  6. Step 6: Final answer
    x = 191,689,517.16

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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.