Home / 201,003,766.80-301,505,650.20-132,129,013.20

Finding the Fourth Proportional to 201,003,766.80, 301,505,650.20 and 132,129,013.20

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Solution

The fourth proportional to 201,003,766.80, 301,505,650.20 and 132,129,013.20 is: 198,193,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,003,766.80 : 301,505,650.20 = 132,129,013.20 : x
  2. Step 2: Convert to fraction form
    201,003,766.80/301,505,650.20 = 132,129,013.20/x
  3. Step 3: Cross multiply
    201,003,766.80x = 301,505,650.20 × 132,129,013.20
  4. Step 4: Simplify right side
    201,003,766.80x = 39,837,644,035,150,384
  5. Step 5: Solve for x
    x = 39,837,644,035,150,384/201,003,766.80
  6. Step 6: Final answer
    x = 198,193,519.80

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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.