Home / 393,662,022.30-590,493,033.45-120,997,359.90

Finding the Fourth Proportional to 393,662,022.30, 590,493,033.45 and 120,997,359.90

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Solution

The fourth proportional to 393,662,022.30, 590,493,033.45 and 120,997,359.90 is: 181,496,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,662,022.30 : 590,493,033.45 = 120,997,359.90 : x
  2. Step 2: Convert to fraction form
    393,662,022.30/590,493,033.45 = 120,997,359.90/x
  3. Step 3: Cross multiply
    393,662,022.30x = 590,493,033.45 × 120,997,359.90
  4. Step 4: Simplify right side
    393,662,022.30x = 71,448,098,086,792,400
  5. Step 5: Solve for x
    x = 71,448,098,086,792,400/393,662,022.30
  6. Step 6: Final answer
    x = 181,496,039.85

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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.