Home / 372,177,712.98-558,327,212.40-109,888,778.78

Finding the Fourth Proportional to 372,177,712.98, 558,327,212.40 and 109,888,778.78

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Solution

The fourth proportional to 372,177,712.98, 558,327,212.40 and 109,888,778.78 is: 164,851,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,177,712.98 : 558,327,212.40 = 109,888,778.78 : x
  2. Step 2: Convert to fraction form
    372,177,712.98/558,327,212.40 = 109,888,778.78/x
  3. Step 3: Cross multiply
    372,177,712.98x = 558,327,212.40 × 109,888,778.78
  4. Step 4: Simplify right side
    372,177,712.98x = 61,353,895,530,277,672
  5. Step 5: Solve for x
    x = 61,353,895,530,277,672/372,177,712.98
  6. Step 6: Final answer
    x = 164,851,073.53

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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.