Home / 40,422,913.40-55,783,765.71-22,088,198.90

Finding the Fourth Proportional to 40,422,913.40, 55,783,765.71 and 22,088,198.90

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Solution

The fourth proportional to 40,422,913.40, 55,783,765.71 and 22,088,198.90 is: 30,481,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422,913.40 : 55,783,765.71 = 22,088,198.90 : x
  2. Step 2: Convert to fraction form
    40,422,913.40/55,783,765.71 = 22,088,198.90/x
  3. Step 3: Cross multiply
    40,422,913.40x = 55,783,765.71 × 22,088,198.90
  4. Step 4: Simplify right side
    40,422,913.40x = 1,232,162,912,114,561
  5. Step 5: Solve for x
    x = 1,232,162,912,114,561/40,422,913.40
  6. Step 6: Final answer
    x = 30,481,793.83

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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.