Home / 347,645,938.80-521,468,908.20-132,207,193.20

Finding the Fourth Proportional to 347,645,938.80, 521,468,908.20 and 132,207,193.20

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Solution

The fourth proportional to 347,645,938.80, 521,468,908.20 and 132,207,193.20 is: 198,310,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,645,938.80 : 521,468,908.20 = 132,207,193.20 : x
  2. Step 2: Convert to fraction form
    347,645,938.80/521,468,908.20 = 132,207,193.20/x
  3. Step 3: Cross multiply
    347,645,938.80x = 521,468,908.20 × 132,207,193.20
  4. Step 4: Simplify right side
    347,645,938.80x = 68,941,940,694,190,464
  5. Step 5: Solve for x
    x = 68,941,940,694,190,464/347,645,938.80
  6. Step 6: Final answer
    x = 198,310,789.80

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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.