Finding the Fourth Proportional to 69,062,049.36, 95,282,994.08 and 49,218,940.44
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Solution
The fourth proportional to 69,062,049.36, 95,282,994.08 and 49,218,940.44 is: 67,906,007.05
Step by Step Solution
- Step 1: Write the proportion equation
69,062,049.36 : 95,282,994.08 = 49,218,940.44 : x - Step 2: Convert to fraction form
69,062,049.36/95,282,994.08 = 49,218,940.44/x - Step 3: Cross multiply
69,062,049.36x = 95,282,994.08 × 49,218,940.44 - Step 4: Simplify right side
69,062,049.36x = 4,689,728,010,568,392 - Step 5: Solve for x
x = 4,689,728,010,568,392/69,062,049.36 - Step 6: Final answer
x = 67,906,007.05
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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.