Finding the Fourth Proportional to 49,722,567.95, 68,613,616.78 and 27,394,578.70
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Solution
The fourth proportional to 49,722,567.95, 68,613,616.78 and 27,394,578.70 is: 37,802,575.42
Step by Step Solution
- Step 1: Write the proportion equation
49,722,567.95 : 68,613,616.78 = 27,394,578.70 : x - Step 2: Convert to fraction form
49,722,567.95/68,613,616.78 = 27,394,578.70/x - Step 3: Cross multiply
49,722,567.95x = 68,613,616.78 × 27,394,578.70 - Step 4: Simplify right side
49,722,567.95x = 1,879,641,124,771,350.50 - Step 5: Solve for x
x = 1,879,641,124,771,350.50/49,722,567.95 - Step 6: Final answer
x = 37,802,575.42
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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.