Home / 45,441,287.42-68,079,729.33-20,869,768.31

Finding the Fourth Proportional to 45,441,287.42, 68,079,729.33 and 20,869,768.31

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Solution

The fourth proportional to 45,441,287.42, 68,079,729.33 and 20,869,768.31 is: 31,266,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,441,287.42 : 68,079,729.33 = 20,869,768.31 : x
  2. Step 2: Convert to fraction form
    45,441,287.42/68,079,729.33 = 20,869,768.31/x
  3. Step 3: Cross multiply
    45,441,287.42x = 68,079,729.33 × 20,869,768.31
  4. Step 4: Simplify right side
    45,441,287.42x = 1,420,808,177,384,212.75
  5. Step 5: Solve for x
    x = 1,420,808,177,384,212.75/45,441,287.42
  6. Step 6: Final answer
    x = 31,266,899.73

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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.