Home / 213,795,704.28-320,694,624.23-75,621,438.72

Finding the Fourth Proportional to 213,795,704.28, 320,694,624.23 and 75,621,438.72

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Solution

The fourth proportional to 213,795,704.28, 320,694,624.23 and 75,621,438.72 is: 113,432,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,795,704.28 : 320,694,624.23 = 75,621,438.72 : x
  2. Step 2: Convert to fraction form
    213,795,704.28/320,694,624.23 = 75,621,438.72/x
  3. Step 3: Cross multiply
    213,795,704.28x = 320,694,624.23 × 75,621,438.72
  4. Step 4: Simplify right side
    213,795,704.28x = 24,251,388,873,664,268
  5. Step 5: Solve for x
    x = 24,251,388,873,664,268/213,795,704.28
  6. Step 6: Final answer
    x = 113,432,535.77

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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.