Home / 67,227,199.24-100,844,374.68-21,172,669.81

Finding the Fourth Proportional to 67,227,199.24, 100,844,374.68 and 21,172,669.81

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Solution

The fourth proportional to 67,227,199.24, 100,844,374.68 and 21,172,669.81 is: 31,760,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227,199.24 : 100,844,374.68 = 21,172,669.81 : x
  2. Step 2: Convert to fraction form
    67,227,199.24/100,844,374.68 = 21,172,669.81/x
  3. Step 3: Cross multiply
    67,227,199.24x = 100,844,374.68 × 21,172,669.81
  4. Step 4: Simplify right side
    67,227,199.24x = 2,135,144,647,295,564.50
  5. Step 5: Solve for x
    x = 2,135,144,647,295,564.50/67,227,199.24
  6. Step 6: Final answer
    x = 31,760,130.89

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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.