Home / 221,183,998.40-331,775,997.60-167,436,286.40

Finding the Fourth Proportional to 221,183,998.40, 331,775,997.60 and 167,436,286.40

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Solution

The fourth proportional to 221,183,998.40, 331,775,997.60 and 167,436,286.40 is: 251,154,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,183,998.40 : 331,775,997.60 = 167,436,286.40 : x
  2. Step 2: Convert to fraction form
    221,183,998.40/331,775,997.60 = 167,436,286.40/x
  3. Step 3: Cross multiply
    221,183,998.40x = 331,775,997.60 × 167,436,286.40
  4. Step 4: Simplify right side
    221,183,998.40x = 55,551,340,954,799,320
  5. Step 5: Solve for x
    x = 55,551,340,954,799,320/221,183,998.40
  6. Step 6: Final answer
    x = 251,154,429.60

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Double scale
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Similar ratio
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1.5x scale

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.