Home / 212,894,203.17-319,339,175.85-67,327,789.35

Finding the Fourth Proportional to 212,894,203.17, 319,339,175.85 and 67,327,789.35

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Solution

The fourth proportional to 212,894,203.17, 319,339,175.85 and 67,327,789.35 is: 100,991,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,894,203.17 : 319,339,175.85 = 67,327,789.35 : x
  2. Step 2: Convert to fraction form
    212,894,203.17/319,339,175.85 = 67,327,789.35/x
  3. Step 3: Cross multiply
    212,894,203.17x = 319,339,175.85 × 67,327,789.35
  4. Step 4: Simplify right side
    212,894,203.17x = 21,500,400,762,831,408
  5. Step 5: Solve for x
    x = 21,500,400,762,831,408/212,894,203.17
  6. Step 6: Final answer
    x = 100,991,010.76

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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.