Home / 394,274,432.58-591,412,650.55-161,105,144.86

Finding the Fourth Proportional to 394,274,432.58, 591,412,650.55 and 161,105,144.86

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Solution

The fourth proportional to 394,274,432.58, 591,412,650.55 and 161,105,144.86 is: 241,658,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,274,432.58 : 591,412,650.55 = 161,105,144.86 : x
  2. Step 2: Convert to fraction form
    394,274,432.58/591,412,650.55 = 161,105,144.86/x
  3. Step 3: Cross multiply
    394,274,432.58x = 591,412,650.55 × 161,105,144.86
  4. Step 4: Simplify right side
    394,274,432.58x = 95,279,620,735,907,088
  5. Step 5: Solve for x
    x = 95,279,620,735,907,088/394,274,432.58
  6. Step 6: Final answer
    x = 241,658,126.58

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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.