Finding the Fourth Proportional to 57,960,082.70, 86,940,124.05 and 31,086,226.70
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Solution
The fourth proportional to 57,960,082.70, 86,940,124.05 and 31,086,226.70 is: 46,629,340.05
Step by Step Solution
- Step 1: Write the proportion equation
57,960,082.70 : 86,940,124.05 = 31,086,226.70 : x - Step 2: Convert to fraction form
57,960,082.70/86,940,124.05 = 31,086,226.70/x - Step 3: Cross multiply
57,960,082.70x = 86,940,124.05 × 31,086,226.70 - Step 4: Simplify right side
57,960,082.70x = 2,702,640,405,544,422 - Step 5: Solve for x
x = 2,702,640,405,544,422/57,960,082.70 - Step 6: Final answer
x = 46,629,340.05
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Similar ratio
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1.5x scale
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.