Finding the Fourth Proportional to 84,512,168.08, 126,815,353.08 and 45,649,836.88
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Solution
The fourth proportional to 84,512,168.08, 126,815,353.08 and 45,649,836.88 is: 68,500,197.23
Step by Step Solution
- Step 1: Write the proportion equation
84,512,168.08 : 126,815,353.08 = 45,649,836.88 : x - Step 2: Convert to fraction form
84,512,168.08/126,815,353.08 = 45,649,836.88/x - Step 3: Cross multiply
84,512,168.08x = 126,815,353.08 × 45,649,836.88 - Step 4: Simplify right side
84,512,168.08x = 5,789,100,181,981,606 - Step 5: Solve for x
x = 5,789,100,181,981,606/84,512,168.08 - Step 6: Final answer
x = 68,500,197.23
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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.