Finding the Fourth Proportional to 45,093,251.20, 67,639,085.16 and 31,247,441.68
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Solution
The fourth proportional to 45,093,251.20, 67,639,085.16 and 31,247,441.68 is: 46,870,613.95
Step by Step Solution
- Step 1: Write the proportion equation
45,093,251.20 : 67,639,085.16 = 31,247,441.68 : x - Step 2: Convert to fraction form
45,093,251.20/67,639,085.16 = 31,247,441.68/x - Step 3: Cross multiply
45,093,251.20x = 67,639,085.16 × 31,247,441.68 - Step 4: Simplify right side
45,093,251.20x = 2,113,548,368,825,653.25 - Step 5: Solve for x
x = 2,113,548,368,825,653.25/45,093,251.20 - Step 6: Final answer
x = 46,870,613.95
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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.