Finding the Fourth Proportional to 49,806,897.62, 68,733,757.44 and 27,479,882.54
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Solution
The fourth proportional to 49,806,897.62, 68,733,757.44 and 27,479,882.54 is: 37,922,369.61
Step by Step Solution
- Step 1: Write the proportion equation
49,806,897.62 : 68,733,757.44 = 27,479,882.54 : x - Step 2: Convert to fraction form
49,806,897.62/68,733,757.44 = 27,479,882.54/x - Step 3: Cross multiply
49,806,897.62x = 68,733,757.44 × 27,479,882.54 - Step 4: Simplify right side
49,806,897.62x = 1,888,795,580,640,382.25 - Step 5: Solve for x
x = 1,888,795,580,640,382.25/49,806,897.62 - Step 6: Final answer
x = 37,922,369.61
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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.