Home / 500,144,052.82-750,147,974.21-131,648,147.86

Finding the Fourth Proportional to 500,144,052.82, 750,147,974.21 and 131,648,147.86

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Solution

The fourth proportional to 500,144,052.82, 750,147,974.21 and 131,648,147.86 is: 197,454,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,144,052.82 : 750,147,974.21 = 131,648,147.86 : x
  2. Step 2: Convert to fraction form
    500,144,052.82/750,147,974.21 = 131,648,147.86/x
  3. Step 3: Cross multiply
    500,144,052.82x = 750,147,974.21 × 131,648,147.86
  4. Step 4: Simplify right side
    500,144,052.82x = 98,755,591,424,131,296
  5. Step 5: Solve for x
    x = 98,755,591,424,131,296/500,144,052.82
  6. Step 6: Final answer
    x = 197,454,295.15

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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.