Home / 212,653,408.86-319,026,961.80-65,102,084.82

Finding the Fourth Proportional to 212,653,408.86, 319,026,961.80 and 65,102,084.82

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Solution

The fourth proportional to 212,653,408.86, 319,026,961.80 and 65,102,084.82 is: 97,667,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,653,408.86 : 319,026,961.80 = 65,102,084.82 : x
  2. Step 2: Convert to fraction form
    212,653,408.86/319,026,961.80 = 65,102,084.82/x
  3. Step 3: Cross multiply
    212,653,408.86x = 319,026,961.80 × 65,102,084.82
  4. Step 4: Simplify right side
    212,653,408.86x = 20,769,320,326,970,500
  5. Step 5: Solve for x
    x = 20,769,320,326,970,500/212,653,408.86
  6. Step 6: Final answer
    x = 97,667,469.51

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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.