Finding the Fourth Proportional to 49,678,588.71, 68,557,227.93 and 27,652,327.56
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Solution
The fourth proportional to 49,678,588.71, 68,557,227.93 and 27,652,327.56 is: 38,160,643.70
Step by Step Solution
- Step 1: Write the proportion equation
49,678,588.71 : 68,557,227.93 = 27,652,327.56 : x - Step 2: Convert to fraction form
49,678,588.71/68,557,227.93 = 27,652,327.56/x - Step 3: Cross multiply
49,678,588.71x = 68,557,227.93 × 27,652,327.56 - Step 4: Simplify right side
49,678,588.71x = 1,895,766,923,325,940.75 - Step 5: Solve for x
x = 1,895,766,923,325,940.75/49,678,588.71 - Step 6: Final answer
x = 38,160,643.70
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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.