Home / 40,105,271.20-55,345,120.08-21,770,396.32

Finding the Fourth Proportional to 40,105,271.20, 55,345,120.08 and 21,770,396.32

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Solution

The fourth proportional to 40,105,271.20, 55,345,120.08 and 21,770,396.32 is: 30,043,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105,271.20 : 55,345,120.08 = 21,770,396.32 : x
  2. Step 2: Convert to fraction form
    40,105,271.20/55,345,120.08 = 21,770,396.32/x
  3. Step 3: Cross multiply
    40,105,271.20x = 55,345,120.08 × 21,770,396.32
  4. Step 4: Simplify right side
    40,105,271.20x = 1,204,885,198,519,590
  5. Step 5: Solve for x
    x = 1,204,885,198,519,590/40,105,271.20
  6. Step 6: Final answer
    x = 30,043,063.23

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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.