Home / 317,022,333.40-437,493,989.18-177,790,105.80

Finding the Fourth Proportional to 317,022,333.40, 437,493,989.18 and 177,790,105.80

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Solution

The fourth proportional to 317,022,333.40, 437,493,989.18 and 177,790,105.80 is: 245,352,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,022,333.40 : 437,493,989.18 = 177,790,105.80 : x
  2. Step 2: Convert to fraction form
    317,022,333.40/437,493,989.18 = 177,790,105.80/x
  3. Step 3: Cross multiply
    317,022,333.40x = 437,493,989.18 × 177,790,105.80
  4. Step 4: Simplify right side
    317,022,333.40x = 77,782,102,623,176,256
  5. Step 5: Solve for x
    x = 77,782,102,623,176,256/317,022,333.40
  6. Step 6: Final answer
    x = 245,352,123.27

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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.