Home / 81,508,625.97-112,533,536.21-50,601,592.05

Finding the Fourth Proportional to 81,508,625.97, 112,533,536.21 and 50,601,592.05

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Solution

The fourth proportional to 81,508,625.97, 112,533,536.21 and 50,601,592.05 is: 69,862,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508,625.97 : 112,533,536.21 = 50,601,592.05 : x
  2. Step 2: Convert to fraction form
    81,508,625.97/112,533,536.21 = 50,601,592.05/x
  3. Step 3: Cross multiply
    81,508,625.97x = 112,533,536.21 × 50,601,592.05
  4. Step 4: Simplify right side
    81,508,625.97x = 5,694,376,091,242,322
  5. Step 5: Solve for x
    x = 5,694,376,091,242,322/81,508,625.97
  6. Step 6: Final answer
    x = 69,862,251.06

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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.