Home / 168,534,694.20-252,990,998.10-130,365,420.60

Finding the Fourth Proportional to 168,534,694.20, 252,990,998.10 and 130,365,420.60

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Solution

The fourth proportional to 168,534,694.20, 252,990,998.10 and 130,365,420.60 is: 195,694,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,534,694.20 : 252,990,998.10 = 130,365,420.60 : x
  2. Step 2: Convert to fraction form
    168,534,694.20/252,990,998.10 = 130,365,420.60/x
  3. Step 3: Cross multiply
    168,534,694.20x = 252,990,998.10 × 130,365,420.60
  4. Step 4: Simplify right side
    168,534,694.20x = 32,981,277,875,320,300
  5. Step 5: Solve for x
    x = 32,981,277,875,320,300/168,534,694.20
  6. Step 6: Final answer
    x = 195,694,293.28

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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.