Finding the Fourth Proportional to 84,253,745.05, 126,380,617.58 and 51,800,414.65
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Solution
The fourth proportional to 84,253,745.05, 126,380,617.58 and 51,800,414.65 is: 77,700,621.98
Step by Step Solution
- Step 1: Write the proportion equation
84,253,745.05 : 126,380,617.58 = 51,800,414.65 : x - Step 2: Convert to fraction form
84,253,745.05/126,380,617.58 = 51,800,414.65/x - Step 3: Cross multiply
84,253,745.05x = 126,380,617.58 × 51,800,414.65 - Step 4: Simplify right side
84,253,745.05x = 6,546,568,394,108,077 - Step 5: Solve for x
x = 6,546,568,394,108,077/84,253,745.05 - Step 6: Final answer
x = 77,700,621.98
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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.