Finding the Fourth Proportional to 80,161,358.36, 110,589,793.70 and 48,774,245.27
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Solution
The fourth proportional to 80,161,358.36, 110,589,793.70 and 48,774,245.27 is: 67,288,452.09
Step by Step Solution
- Step 1: Write the proportion equation
80,161,358.36 : 110,589,793.70 = 48,774,245.27 : x - Step 2: Convert to fraction form
80,161,358.36/110,589,793.70 = 48,774,245.27/x - Step 3: Cross multiply
80,161,358.36x = 110,589,793.70 × 48,774,245.27 - Step 4: Simplify right side
80,161,358.36x = 5,393,933,721,485,680 - Step 5: Solve for x
x = 5,393,933,721,485,680/80,161,358.36 - Step 6: Final answer
x = 67,288,452.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.