Home / 199,290,781.20-298,936,171.80-162,940,216.80

Finding the Fourth Proportional to 199,290,781.20, 298,936,171.80 and 162,940,216.80

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Solution

The fourth proportional to 199,290,781.20, 298,936,171.80 and 162,940,216.80 is: 244,410,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,781.20 : 298,936,171.80 = 162,940,216.80 : x
  2. Step 2: Convert to fraction form
    199,290,781.20/298,936,171.80 = 162,940,216.80/x
  3. Step 3: Cross multiply
    199,290,781.20x = 298,936,171.80 × 162,940,216.80
  4. Step 4: Simplify right side
    199,290,781.20x = 48,708,724,642,454,048
  5. Step 5: Solve for x
    x = 48,708,724,642,454,048/199,290,781.20
  6. Step 6: Final answer
    x = 244,410,325.20

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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.