Home / 101,643,046.92-140,269,481.22-55,236,290.28

Finding the Fourth Proportional to 101,643,046.92, 140,269,481.22 and 55,236,290.28

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Solution

The fourth proportional to 101,643,046.92, 140,269,481.22 and 55,236,290.28 is: 76,227,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,643,046.92 : 140,269,481.22 = 55,236,290.28 : x
  2. Step 2: Convert to fraction form
    101,643,046.92/140,269,481.22 = 55,236,290.28/x
  3. Step 3: Cross multiply
    101,643,046.92x = 140,269,481.22 × 55,236,290.28
  4. Step 4: Simplify right side
    101,643,046.92x = 7,747,965,782,092,929
  5. Step 5: Solve for x
    x = 7,747,965,782,092,929/101,643,046.92
  6. Step 6: Final answer
    x = 76,227,209.01

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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.