Home / 212,691,408.30-319,037,112.45-182,080,406.70

Finding the Fourth Proportional to 212,691,408.30, 319,037,112.45 and 182,080,406.70

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Solution

The fourth proportional to 212,691,408.30, 319,037,112.45 and 182,080,406.70 is: 273,120,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,691,408.30 : 319,037,112.45 = 182,080,406.70 : x
  2. Step 2: Convert to fraction form
    212,691,408.30/319,037,112.45 = 182,080,406.70/x
  3. Step 3: Cross multiply
    212,691,408.30x = 319,037,112.45 × 182,080,406.70
  4. Step 4: Simplify right side
    212,691,408.30x = 58,090,407,187,289,624
  5. Step 5: Solve for x
    x = 58,090,407,187,289,624/212,691,408.30
  6. Step 6: Final answer
    x = 273,120,610.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.