Home / 87,215,183.52-130,883,172.12-34,687,467.60

Finding the Fourth Proportional to 87,215,183.52, 130,883,172.12 and 34,687,467.60

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Solution

The fourth proportional to 87,215,183.52, 130,883,172.12 and 34,687,467.60 is: 52,055,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,215,183.52 : 130,883,172.12 = 34,687,467.60 : x
  2. Step 2: Convert to fraction form
    87,215,183.52/130,883,172.12 = 34,687,467.60/x
  3. Step 3: Cross multiply
    87,215,183.52x = 130,883,172.12 × 34,687,467.60
  4. Step 4: Simplify right side
    87,215,183.52x = 4,540,005,792,297,724
  5. Step 5: Solve for x
    x = 4,540,005,792,297,724/87,215,183.52
  6. Step 6: Final answer
    x = 52,055,222.60

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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.