Home / 201,003,768.80-301,505,653.20-132,129,015.20

Finding the Fourth Proportional to 201,003,768.80, 301,505,653.20 and 132,129,015.20

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Solution

The fourth proportional to 201,003,768.80, 301,505,653.20 and 132,129,015.20 is: 198,193,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,003,768.80 : 301,505,653.20 = 132,129,015.20 : x
  2. Step 2: Convert to fraction form
    201,003,768.80/301,505,653.20 = 132,129,015.20/x
  3. Step 3: Cross multiply
    201,003,768.80x = 301,505,653.20 × 132,129,015.20
  4. Step 4: Simplify right side
    201,003,768.80x = 39,837,645,034,548,728
  5. Step 5: Solve for x
    x = 39,837,645,034,548,728/201,003,768.80
  6. Step 6: Final answer
    x = 198,193,522.80

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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.