Home / 45,479,246.40-68,218,869.60-18,198,608.40

Finding the Fourth Proportional to 45,479,246.40, 68,218,869.60 and 18,198,608.40

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Solution

The fourth proportional to 45,479,246.40, 68,218,869.60 and 18,198,608.40 is: 27,297,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,246.40 : 68,218,869.60 = 18,198,608.40 : x
  2. Step 2: Convert to fraction form
    45,479,246.40/68,218,869.60 = 18,198,608.40/x
  3. Step 3: Cross multiply
    45,479,246.40x = 68,218,869.60 × 18,198,608.40
  4. Step 4: Simplify right side
    45,479,246.40x = 1,241,488,493,341,064.50
  5. Step 5: Solve for x
    x = 1,241,488,493,341,064.50/45,479,246.40
  6. Step 6: Final answer
    x = 27,297,912.60

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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.