Home / 323,691,319.22-485,328,221.44-126,974,609.06

Finding the Fourth Proportional to 323,691,319.22, 485,328,221.44 and 126,974,609.06

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Solution

The fourth proportional to 323,691,319.22, 485,328,221.44 and 126,974,609.06 is: 190,380,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,691,319.22 : 485,328,221.44 = 126,974,609.06 : x
  2. Step 2: Convert to fraction form
    323,691,319.22/485,328,221.44 = 126,974,609.06/x
  3. Step 3: Cross multiply
    323,691,319.22x = 485,328,221.44 × 126,974,609.06
  4. Step 4: Simplify right side
    323,691,319.22x = 61,624,361,182,681,176
  5. Step 5: Solve for x
    x = 61,624,361,182,681,176/323,691,319.22
  6. Step 6: Final answer
    x = 190,380,024.19

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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.