Home / 80,507,270.80-120,760,906.20-26,654,582.80

Finding the Fourth Proportional to 80,507,270.80, 120,760,906.20 and 26,654,582.80

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Solution

The fourth proportional to 80,507,270.80, 120,760,906.20 and 26,654,582.80 is: 39,981,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,507,270.80 : 120,760,906.20 = 26,654,582.80 : x
  2. Step 2: Convert to fraction form
    80,507,270.80/120,760,906.20 = 26,654,582.80/x
  3. Step 3: Cross multiply
    80,507,270.80x = 120,760,906.20 × 26,654,582.80
  4. Step 4: Simplify right side
    80,507,270.80x = 3,218,831,573,310,933.50
  5. Step 5: Solve for x
    x = 3,218,831,573,310,933.50/80,507,270.80
  6. Step 6: Final answer
    x = 39,981,874.20

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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.