Home / 275,142,490.64-412,400,849.88-143,782,233.20

Finding the Fourth Proportional to 275,142,490.64, 412,400,849.88 and 143,782,233.20

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Solution

The fourth proportional to 275,142,490.64, 412,400,849.88 and 143,782,233.20 is: 215,509,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,142,490.64 : 412,400,849.88 = 143,782,233.20 : x
  2. Step 2: Convert to fraction form
    275,142,490.64/412,400,849.88 = 143,782,233.20/x
  3. Step 3: Cross multiply
    275,142,490.64x = 412,400,849.88 × 143,782,233.20
  4. Step 4: Simplify right side
    275,142,490.64x = 59,295,915,169,324,344
  5. Step 5: Solve for x
    x = 59,295,915,169,324,344/275,142,490.64
  6. Step 6: Final answer
    x = 215,509,843.76

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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.