Finding the Fourth Proportional to 49,300,295.12, 68,036,421.94 and 27,273,421.62
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Solution
The fourth proportional to 49,300,295.12, 68,036,421.94 and 27,273,421.62 is: 37,638,436.37
Step by Step Solution
- Step 1: Write the proportion equation
49,300,295.12 : 68,036,421.94 = 27,273,421.62 : x - Step 2: Convert to fraction form
49,300,295.12/68,036,421.94 = 27,273,421.62/x - Step 3: Cross multiply
49,300,295.12x = 68,036,421.94 × 27,273,421.62 - Step 4: Simplify right side
49,300,295.12x = 1,855,586,021,085,838.25 - Step 5: Solve for x
x = 1,855,586,021,085,838.25/49,300,295.12 - Step 6: Final answer
x = 37,638,436.37
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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.