Home / 73,391,936.20-110,172,905.70-39,379,712.20

Finding the Fourth Proportional to 73,391,936.20, 110,172,905.70 and 39,379,712.20

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Solution

The fourth proportional to 73,391,936.20, 110,172,905.70 and 39,379,712.20 is: 59,115,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,391,936.20 : 110,172,905.70 = 39,379,712.20 : x
  2. Step 2: Convert to fraction form
    73,391,936.20/110,172,905.70 = 39,379,712.20/x
  3. Step 3: Cross multiply
    73,391,936.20x = 110,172,905.70 × 39,379,712.20
  4. Step 4: Simplify right side
    73,391,936.20x = 4,338,577,318,703,740
  5. Step 5: Solve for x
    x = 4,338,577,318,703,740/73,391,936.20
  6. Step 6: Final answer
    x = 59,115,177.27

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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.