Home / 81,857,993.49-122,801,174.60-33,362,230.77

Finding the Fourth Proportional to 81,857,993.49, 122,801,174.60 and 33,362,230.77

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Solution

The fourth proportional to 81,857,993.49, 122,801,174.60 and 33,362,230.77 is: 50,049,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,857,993.49 : 122,801,174.60 = 33,362,230.77 : x
  2. Step 2: Convert to fraction form
    81,857,993.49/122,801,174.60 = 33,362,230.77/x
  3. Step 3: Cross multiply
    81,857,993.49x = 122,801,174.60 × 33,362,230.77
  4. Step 4: Simplify right side
    81,857,993.49x = 4,096,921,125,665,451
  5. Step 5: Solve for x
    x = 4,096,921,125,665,451/81,857,993.49
  6. Step 6: Final answer
    x = 50,049,127.17

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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.