Finding the Fourth Proportional to 49,458,469.65, 68,260,857.94 and 27,439,062.92
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Solution
The fourth proportional to 49,458,469.65, 68,260,857.94 and 27,439,062.92 is: 37,870,439.37
Step by Step Solution
- Step 1: Write the proportion equation
49,458,469.65 : 68,260,857.94 = 27,439,062.92 : x - Step 2: Convert to fraction form
49,458,469.65/68,260,857.94 = 27,439,062.92/x - Step 3: Cross multiply
49,458,469.65x = 68,260,857.94 × 27,439,062.92 - Step 4: Simplify right side
49,458,469.65x = 1,873,013,975,988,841.75 - Step 5: Solve for x
x = 1,873,013,975,988,841.75/49,458,469.65 - Step 6: Final answer
x = 37,870,439.37
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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.