Home / 327,340,673.90-491,011,010.85-85,003,577.90

Finding the Fourth Proportional to 327,340,673.90, 491,011,010.85 and 85,003,577.90

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Solution

The fourth proportional to 327,340,673.90, 491,011,010.85 and 85,003,577.90 is: 127,505,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,340,673.90 : 491,011,010.85 = 85,003,577.90 : x
  2. Step 2: Convert to fraction form
    327,340,673.90/491,011,010.85 = 85,003,577.90/x
  3. Step 3: Cross multiply
    327,340,673.90x = 491,011,010.85 × 85,003,577.90
  4. Step 4: Simplify right side
    327,340,673.90x = 41,737,692,710,545,728
  5. Step 5: Solve for x
    x = 41,737,692,710,545,728/327,340,673.90
  6. Step 6: Final answer
    x = 127,505,366.85

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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.