Home / 40,450,072.32-55,821,100.80-22,115,358.72

Finding the Fourth Proportional to 40,450,072.32, 55,821,100.80 and 22,115,358.72

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Solution

The fourth proportional to 40,450,072.32, 55,821,100.80 and 22,115,358.72 is: 30,519,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,450,072.32 : 55,821,100.80 = 22,115,358.72 : x
  2. Step 2: Convert to fraction form
    40,450,072.32/55,821,100.80 = 22,115,358.72/x
  3. Step 3: Cross multiply
    40,450,072.32x = 55,821,100.80 × 22,115,358.72
  4. Step 4: Simplify right side
    40,450,072.32x = 1,234,503,668,337,278.75
  5. Step 5: Solve for x
    x = 1,234,503,668,337,278.75/40,450,072.32
  6. Step 6: Final answer
    x = 30,519,195.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.