Home / 155,942,515.44-215,193,694.44-86,322,976.56

Finding the Fourth Proportional to 155,942,515.44, 215,193,694.44 and 86,322,976.56

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Solution

The fourth proportional to 155,942,515.44, 215,193,694.44 and 86,322,976.56 is: 119,121,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,942,515.44 : 215,193,694.44 = 86,322,976.56 : x
  2. Step 2: Convert to fraction form
    155,942,515.44/215,193,694.44 = 86,322,976.56/x
  3. Step 3: Cross multiply
    155,942,515.44x = 215,193,694.44 × 86,322,976.56
  4. Step 4: Simplify right side
    155,942,515.44x = 18,576,160,241,003,924
  5. Step 5: Solve for x
    x = 18,576,160,241,003,924/155,942,515.44
  6. Step 6: Final answer
    x = 119,121,845.56

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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.