Home / 220,469,771.43-330,655,334.83-64,990,408.32

Finding the Fourth Proportional to 220,469,771.43, 330,655,334.83 and 64,990,408.32

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Solution

The fourth proportional to 220,469,771.43, 330,655,334.83 and 64,990,408.32 is: 97,471,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,469,771.43 : 330,655,334.83 = 64,990,408.32 : x
  2. Step 2: Convert to fraction form
    220,469,771.43/330,655,334.83 = 64,990,408.32/x
  3. Step 3: Cross multiply
    220,469,771.43x = 330,655,334.83 × 64,990,408.32
  4. Step 4: Simplify right side
    220,469,771.43x = 21,489,425,223,625,540
  5. Step 5: Solve for x
    x = 21,489,425,223,625,540/220,469,771.43
  6. Step 6: Final answer
    x = 97,471,073.17

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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.