Home / 252,384,247.20-378,576,370.80-143,167,216.80

Finding the Fourth Proportional to 252,384,247.20, 378,576,370.80 and 143,167,216.80

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Solution

The fourth proportional to 252,384,247.20, 378,576,370.80 and 143,167,216.80 is: 214,750,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,384,247.20 : 378,576,370.80 = 143,167,216.80 : x
  2. Step 2: Convert to fraction form
    252,384,247.20/378,576,370.80 = 143,167,216.80/x
  3. Step 3: Cross multiply
    252,384,247.20x = 378,576,370.80 × 143,167,216.80
  4. Step 4: Simplify right side
    252,384,247.20x = 54,199,725,353,680,792
  5. Step 5: Solve for x
    x = 54,199,725,353,680,792/252,384,247.20
  6. Step 6: Final answer
    x = 214,750,825.20

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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.