Home / 212,893,976.88-319,338,837.25-67,327,563.06

Finding the Fourth Proportional to 212,893,976.88, 319,338,837.25 and 67,327,563.06

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Solution

The fourth proportional to 212,893,976.88, 319,338,837.25 and 67,327,563.06 is: 100,990,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,893,976.88 : 319,338,837.25 = 67,327,563.06 : x
  2. Step 2: Convert to fraction form
    212,893,976.88/319,338,837.25 = 67,327,563.06/x
  3. Step 3: Cross multiply
    212,893,976.88x = 319,338,837.25 × 67,327,563.06
  4. Step 4: Simplify right side
    212,893,976.88x = 21,500,305,702,288,132
  5. Step 5: Solve for x
    x = 21,500,305,702,288,132/212,893,976.88
  6. Step 6: Final answer
    x = 100,990,671.59

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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.