Home / 317,022,350.40-437,494,012.64-177,790,122.80

Finding the Fourth Proportional to 317,022,350.40, 437,494,012.64 and 177,790,122.80

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Solution

The fourth proportional to 317,022,350.40, 437,494,012.64 and 177,790,122.80 is: 245,352,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,022,350.40 : 437,494,012.64 = 177,790,122.80 : x
  2. Step 2: Convert to fraction form
    317,022,350.40/437,494,012.64 = 177,790,122.80/x
  3. Step 3: Cross multiply
    317,022,350.40x = 437,494,012.64 × 177,790,122.80
  4. Step 4: Simplify right side
    317,022,350.40x = 77,782,114,231,530,352
  5. Step 5: Solve for x
    x = 77,782,114,231,530,352/317,022,350.40
  6. Step 6: Final answer
    x = 245,352,146.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.