Home / 87,483,919.36-120,725,469.72-48,324,853.30

Finding the Fourth Proportional to 87,483,919.36, 120,725,469.72 and 48,324,853.30

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Solution

The fourth proportional to 87,483,919.36, 120,725,469.72 and 48,324,853.30 is: 66,687,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,483,919.36 : 120,725,469.72 = 48,324,853.30 : x
  2. Step 2: Convert to fraction form
    87,483,919.36/120,725,469.72 = 48,324,853.30/x
  3. Step 3: Cross multiply
    87,483,919.36x = 120,725,469.72 × 48,324,853.30
  4. Step 4: Simplify right side
    87,483,919.36x = 5,834,040,613,792,592
  5. Step 5: Solve for x
    x = 5,834,040,613,792,592/87,483,919.36
  6. Step 6: Final answer
    x = 66,687,005.53

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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.