Home / 33,215,121.40-49,822,682.10-20,301,105.10

Finding the Fourth Proportional to 33,215,121.40, 49,822,682.10 and 20,301,105.10

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Solution

The fourth proportional to 33,215,121.40, 49,822,682.10 and 20,301,105.10 is: 30,451,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215,121.40 : 49,822,682.10 = 20,301,105.10 : x
  2. Step 2: Convert to fraction form
    33,215,121.40/49,822,682.10 = 20,301,105.10/x
  3. Step 3: Cross multiply
    33,215,121.40x = 49,822,682.10 × 20,301,105.10
  4. Step 4: Simplify right side
    33,215,121.40x = 1,011,455,505,675,988.88
  5. Step 5: Solve for x
    x = 1,011,455,505,675,988.88/33,215,121.40
  6. Step 6: Final answer
    x = 30,451,657.65

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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.