Finding the Fourth Proportional to 49,722,569.46, 68,613,618.86 and 27,394,580.20
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Solution
The fourth proportional to 49,722,569.46, 68,613,618.86 and 27,394,580.20 is: 37,802,577.48
Step by Step Solution
- Step 1: Write the proportion equation
49,722,569.46 : 68,613,618.86 = 27,394,580.20 : x - Step 2: Convert to fraction form
49,722,569.46/68,613,618.86 = 27,394,580.20/x - Step 3: Cross multiply
49,722,569.46x = 68,613,618.86 × 27,394,580.20 - Step 4: Simplify right side
49,722,569.46x = 1,879,641,284,535,529.75 - Step 5: Solve for x
x = 1,879,641,284,535,529.75/49,722,569.46 - Step 6: Final answer
x = 37,802,577.48
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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.