Home / 317,195,640.85-475,782,991.76-130,443,120.85

Finding the Fourth Proportional to 317,195,640.85, 475,782,991.76 and 130,443,120.85

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Solution

The fourth proportional to 317,195,640.85, 475,782,991.76 and 130,443,120.85 is: 195,660,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,195,640.85 : 475,782,991.76 = 130,443,120.85 : x
  2. Step 2: Convert to fraction form
    317,195,640.85/475,782,991.76 = 130,443,120.85/x
  3. Step 3: Cross multiply
    317,195,640.85x = 475,782,991.76 × 130,443,120.85
  4. Step 4: Simplify right side
    317,195,640.85x = 62,062,618,291,872,016
  5. Step 5: Solve for x
    x = 62,062,618,291,872,016/317,195,640.85
  6. Step 6: Final answer
    x = 195,660,375.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.