Finding the Fourth Proportional to 50,465,861.92, 69,642,951.29 and 27,260,989.21
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Solution
The fourth proportional to 50,465,861.92, 69,642,951.29 and 27,260,989.21 is: 37,620,198.52
Step by Step Solution
- Step 1: Write the proportion equation
50,465,861.92 : 69,642,951.29 = 27,260,989.21 : x - Step 2: Convert to fraction form
50,465,861.92/69,642,951.29 = 27,260,989.21/x - Step 3: Cross multiply
50,465,861.92x = 69,642,951.29 × 27,260,989.21 - Step 4: Simplify right side
50,465,861.92x = 1,898,535,743,669,245.75 - Step 5: Solve for x
x = 1,898,535,743,669,245.75/50,465,861.92 - Step 6: Final answer
x = 37,620,198.52
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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.