Home / 347,645,939.80-521,468,909.70-132,207,194.20

Finding the Fourth Proportional to 347,645,939.80, 521,468,909.70 and 132,207,194.20

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Solution

The fourth proportional to 347,645,939.80, 521,468,909.70 and 132,207,194.20 is: 198,310,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,645,939.80 : 521,468,909.70 = 132,207,194.20 : x
  2. Step 2: Convert to fraction form
    347,645,939.80/521,468,909.70 = 132,207,194.20/x
  3. Step 3: Cross multiply
    347,645,939.80x = 521,468,909.70 × 132,207,194.20
  4. Step 4: Simplify right side
    347,645,939.80x = 68,941,941,413,970,160
  5. Step 5: Solve for x
    x = 68,941,941,413,970,160/347,645,939.80
  6. Step 6: Final answer
    x = 198,310,791.30

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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.