Home / 101,515,449.87-140,091,498.54-55,105,735.23

Finding the Fourth Proportional to 101,515,449.87, 140,091,498.54 and 55,105,735.23

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Solution

The fourth proportional to 101,515,449.87, 140,091,498.54 and 55,105,735.23 is: 76,046,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,515,449.87 : 140,091,498.54 = 55,105,735.23 : x
  2. Step 2: Convert to fraction form
    101,515,449.87/140,091,498.54 = 55,105,735.23/x
  3. Step 3: Cross multiply
    101,515,449.87x = 140,091,498.54 × 55,105,735.23
  4. Step 4: Simplify right side
    101,515,449.87x = 7,719,845,026,519,171
  5. Step 5: Solve for x
    x = 7,719,845,026,519,171/101,515,449.87
  6. Step 6: Final answer
    x = 76,046,011.09

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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.