Home / 80,648,314.80-120,958,475.40-29,504,007.60

Finding the Fourth Proportional to 80,648,314.80, 120,958,475.40 and 29,504,007.60

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Solution

The fourth proportional to 80,648,314.80, 120,958,475.40 and 29,504,007.60 is: 44,250,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,648,314.80 : 120,958,475.40 = 29,504,007.60 : x
  2. Step 2: Convert to fraction form
    80,648,314.80/120,958,475.40 = 29,504,007.60/x
  3. Step 3: Cross multiply
    80,648,314.80x = 120,958,475.40 × 29,504,007.60
  4. Step 4: Simplify right side
    80,648,314.80x = 3,568,759,777,486,013.50
  5. Step 5: Solve for x
    x = 3,568,759,777,486,013.50/80,648,314.80
  6. Step 6: Final answer
    x = 44,250,890.88

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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.