Home / 143,851,552.26-215,831,686.11-86,383,884.48

Finding the Fourth Proportional to 143,851,552.26, 215,831,686.11 and 86,383,884.48

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Solution

The fourth proportional to 143,851,552.26, 215,831,686.11 and 86,383,884.48 is: 129,608,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,851,552.26 : 215,831,686.11 = 86,383,884.48 : x
  2. Step 2: Convert to fraction form
    143,851,552.26/215,831,686.11 = 86,383,884.48/x
  3. Step 3: Cross multiply
    143,851,552.26x = 215,831,686.11 × 86,383,884.48
  4. Step 4: Simplify right side
    143,851,552.26x = 18,644,379,440,049,864
  5. Step 5: Solve for x
    x = 18,644,379,440,049,864/143,851,552.26
  6. Step 6: Final answer
    x = 129,608,468.92

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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.