Finding the Fourth Proportional to 49,722,568.95, 68,613,618.16 and 27,394,579.70
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Solution
The fourth proportional to 49,722,568.95, 68,613,618.16 and 27,394,579.70 is: 37,802,576.80
Step by Step Solution
- Step 1: Write the proportion equation
49,722,568.95 : 68,613,618.16 = 27,394,579.70 : x - Step 2: Convert to fraction form
49,722,568.95/68,613,618.16 = 27,394,579.70/x - Step 3: Cross multiply
49,722,568.95x = 68,613,618.16 × 27,394,579.70 - Step 4: Simplify right side
49,722,568.95x = 1,879,641,231,189,487.25 - Step 5: Solve for x
x = 1,879,641,231,189,487.25/49,722,568.95 - Step 6: Final answer
x = 37,802,576.80
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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.