Home / 50,620,504.91-75,958,399.88-21,469,809.65

Finding the Fourth Proportional to 50,620,504.91, 75,958,399.88 and 21,469,809.65

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Solution

The fourth proportional to 50,620,504.91, 75,958,399.88 and 21,469,809.65 is: 32,216,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,620,504.91 : 75,958,399.88 = 21,469,809.65 : x
  2. Step 2: Convert to fraction form
    50,620,504.91/75,958,399.88 = 21,469,809.65/x
  3. Step 3: Cross multiply
    50,620,504.91x = 75,958,399.88 × 21,469,809.65
  4. Step 4: Simplify right side
    50,620,504.91x = 1,630,812,386,634,833.75
  5. Step 5: Solve for x
    x = 1,630,812,386,634,833.75/50,620,504.91
  6. Step 6: Final answer
    x = 32,216,438.57

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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.