Home / 149,512,999.01-206,327,979.74-82,531,997.87

Finding the Fourth Proportional to 149,512,999.01, 206,327,979.74 and 82,531,997.87

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Solution

The fourth proportional to 149,512,999.01, 206,327,979.74 and 82,531,997.87 is: 113,894,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,512,999.01 : 206,327,979.74 = 82,531,997.87 : x
  2. Step 2: Convert to fraction form
    149,512,999.01/206,327,979.74 = 82,531,997.87/x
  3. Step 3: Cross multiply
    149,512,999.01x = 206,327,979.74 × 82,531,997.87
  4. Step 4: Simplify right side
    149,512,999.01x = 17,028,660,383,597,772
  5. Step 5: Solve for x
    x = 17,028,660,383,597,772/149,512,999.01
  6. Step 6: Final answer
    x = 113,894,179.75

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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.