Home / 161,510,719.48-222,883,659.06-88,171,861.48

Finding the Fourth Proportional to 161,510,719.48, 222,883,659.06 and 88,171,861.48

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Solution

The fourth proportional to 161,510,719.48, 222,883,659.06 and 88,171,861.48 is: 121,676,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,510,719.48 : 222,883,659.06 = 88,171,861.48 : x
  2. Step 2: Convert to fraction form
    161,510,719.48/222,883,659.06 = 88,171,861.48/x
  3. Step 3: Cross multiply
    161,510,719.48x = 222,883,659.06 × 88,171,861.48
  4. Step 4: Simplify right side
    161,510,719.48x = 19,652,067,112,793,868
  5. Step 5: Solve for x
    x = 19,652,067,112,793,868/161,510,719.48
  6. Step 6: Final answer
    x = 121,676,549.87

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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.