Finding the Fourth Proportional to 49,537,515.82, 68,359,896.74 and 27,512,433.37
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Solution
The fourth proportional to 49,537,515.82, 68,359,896.74 and 27,512,433.37 is: 37,966,116.65
Step by Step Solution
- Step 1: Write the proportion equation
49,537,515.82 : 68,359,896.74 = 27,512,433.37 : x - Step 2: Convert to fraction form
49,537,515.82/68,359,896.74 = 27,512,433.37/x - Step 3: Cross multiply
49,537,515.82x = 68,359,896.74 × 27,512,433.37 - Step 4: Simplify right side
49,537,515.82x = 1,880,747,104,393,561.25 - Step 5: Solve for x
x = 1,880,747,104,393,561.25/49,537,515.82 - Step 6: Final answer
x = 37,966,116.65
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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.