Home / 161,522,520.12-222,899,940.75-88,183,662.12

Finding the Fourth Proportional to 161,522,520.12, 222,899,940.75 and 88,183,662.12

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Solution

The fourth proportional to 161,522,520.12, 222,899,940.75 and 88,183,662.12 is: 121,692,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,522,520.12 : 222,899,940.75 = 88,183,662.12 : x
  2. Step 2: Convert to fraction form
    161,522,520.12/222,899,940.75 = 88,183,662.12/x
  3. Step 3: Cross multiply
    161,522,520.12x = 222,899,940.75 × 88,183,662.12
  4. Step 4: Simplify right side
    161,522,520.12x = 19,656,133,061,996,708
  5. Step 5: Solve for x
    x = 19,656,133,061,996,708/161,522,520.12
  6. Step 6: Final answer
    x = 121,692,832.97

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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.