Home / 317,195,641.85-475,782,993.25-130,443,121.85

Finding the Fourth Proportional to 317,195,641.85, 475,782,993.25 and 130,443,121.85

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Solution

The fourth proportional to 317,195,641.85, 475,782,993.25 and 130,443,121.85 is: 195,660,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,195,641.85 : 475,782,993.25 = 130,443,121.85 : x
  2. Step 2: Convert to fraction form
    317,195,641.85/475,782,993.25 = 130,443,121.85/x
  3. Step 3: Cross multiply
    317,195,641.85x = 475,782,993.25 × 130,443,121.85
  4. Step 4: Simplify right side
    317,195,641.85x = 62,062,618,962,667,472
  5. Step 5: Solve for x
    x = 62,062,618,962,667,472/317,195,641.85
  6. Step 6: Final answer
    x = 195,660,377.30

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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.