Home / 67,992,472.36-102,008,645.34-21,933,418.60

Finding the Fourth Proportional to 67,992,472.36, 102,008,645.34 and 21,933,418.60

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Solution

The fourth proportional to 67,992,472.36, 102,008,645.34 and 21,933,418.60 is: 32,906,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,992,472.36 : 102,008,645.34 = 21,933,418.60 : x
  2. Step 2: Convert to fraction form
    67,992,472.36/102,008,645.34 = 21,933,418.60/x
  3. Step 3: Cross multiply
    67,992,472.36x = 102,008,645.34 × 21,933,418.60
  4. Step 4: Simplify right side
    67,992,472.36x = 2,237,398,319,061,159.50
  5. Step 5: Solve for x
    x = 2,237,398,319,061,159.50/67,992,472.36
  6. Step 6: Final answer
    x = 32,906,559.23

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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.