Home / 212,894,190.38-319,339,156.64-67,327,776.56

Finding the Fourth Proportional to 212,894,190.38, 319,339,156.64 and 67,327,776.56

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Solution

The fourth proportional to 212,894,190.38, 319,339,156.64 and 67,327,776.56 is: 100,990,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,894,190.38 : 319,339,156.64 = 67,327,776.56 : x
  2. Step 2: Convert to fraction form
    212,894,190.38/319,339,156.64 = 67,327,776.56/x
  3. Step 3: Cross multiply
    212,894,190.38x = 319,339,156.64 × 67,327,776.56
  4. Step 4: Simplify right side
    212,894,190.38x = 21,500,395,383,183,428
  5. Step 5: Solve for x
    x = 21,500,395,383,183,428/212,894,190.38
  6. Step 6: Final answer
    x = 100,990,991.56

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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.