Home / 317,022,320.40-437,493,971.24-177,790,092.80

Finding the Fourth Proportional to 317,022,320.40, 437,493,971.24 and 177,790,092.80

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Solution

The fourth proportional to 317,022,320.40, 437,493,971.24 and 177,790,092.80 is: 245,352,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,022,320.40 : 437,493,971.24 = 177,790,092.80 : x
  2. Step 2: Convert to fraction form
    317,022,320.40/437,493,971.24 = 177,790,092.80/x
  3. Step 3: Cross multiply
    317,022,320.40x = 437,493,971.24 × 177,790,092.80
  4. Step 4: Simplify right side
    317,022,320.40x = 77,782,093,746,200,144
  5. Step 5: Solve for x
    x = 77,782,093,746,200,144/317,022,320.40
  6. Step 6: Final answer
    x = 245,352,105.33

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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.