Home / 253,694,008.80-380,541,013.20-132,509,714.40

Finding the Fourth Proportional to 253,694,008.80, 380,541,013.20 and 132,509,714.40

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Solution

The fourth proportional to 253,694,008.80, 380,541,013.20 and 132,509,714.40 is: 198,764,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,694,008.80 : 380,541,013.20 = 132,509,714.40 : x
  2. Step 2: Convert to fraction form
    253,694,008.80/380,541,013.20 = 132,509,714.40/x
  3. Step 3: Cross multiply
    253,694,008.80x = 380,541,013.20 × 132,509,714.40
  4. Step 4: Simplify right side
    253,694,008.80x = 50,425,380,976,618,632
  5. Step 5: Solve for x
    x = 50,425,380,976,618,632/253,694,008.80
  6. Step 6: Final answer
    x = 198,764,571.60

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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.