Home / 67,361,061-101,040,917.88-21,302,937.88

Finding the Fourth Proportional to 67,361,061, 101,040,917.88 and 21,302,937.88

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Solution

The fourth proportional to 67,361,061, 101,040,917.88 and 21,302,937.88 is: 31,954,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,361,061 : 101,040,917.88 = 21,302,937.88 : x
  2. Step 2: Convert to fraction form
    67,361,061/101,040,917.88 = 21,302,937.88/x
  3. Step 3: Cross multiply
    67,361,061x = 101,040,917.88 × 21,302,937.88
  4. Step 4: Simplify right side
    67,361,061x = 2,152,468,396,935,821
  5. Step 5: Solve for x
    x = 2,152,468,396,935,821/67,361,061
  6. Step 6: Final answer
    x = 31,954,193.79

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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.