Home / 114,916,002.30-172,374,003.45-71,917,832.70

Finding the Fourth Proportional to 114,916,002.30, 172,374,003.45 and 71,917,832.70

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Solution

The fourth proportional to 114,916,002.30, 172,374,003.45 and 71,917,832.70 is: 107,876,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,916,002.30 : 172,374,003.45 = 71,917,832.70 : x
  2. Step 2: Convert to fraction form
    114,916,002.30/172,374,003.45 = 71,917,832.70/x
  3. Step 3: Cross multiply
    114,916,002.30x = 172,374,003.45 × 71,917,832.70
  4. Step 4: Simplify right side
    114,916,002.30x = 12,396,764,741,946,322
  5. Step 5: Solve for x
    x = 12,396,764,741,946,322/114,916,002.30
  6. Step 6: Final answer
    x = 107,876,749.05

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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.