Home / 215,272,629.12-296,983,037.76-131,644,415.60

Finding the Fourth Proportional to 215,272,629.12, 296,983,037.76 and 131,644,415.60

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Solution

The fourth proportional to 215,272,629.12, 296,983,037.76 and 131,644,415.60 is: 181,612,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,272,629.12 : 296,983,037.76 = 131,644,415.60 : x
  2. Step 2: Convert to fraction form
    215,272,629.12/296,983,037.76 = 131,644,415.60/x
  3. Step 3: Cross multiply
    215,272,629.12x = 296,983,037.76 × 131,644,415.60
  4. Step 4: Simplify right side
    215,272,629.12x = 39,096,158,449,027,928
  5. Step 5: Solve for x
    x = 39,096,158,449,027,928/215,272,629.12
  6. Step 6: Final answer
    x = 181,612,305.33

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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.