Finding the Fourth Proportional to 49,170,245.64, 67,853,160.57 and 27,143,272.09
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Solution
The fourth proportional to 49,170,245.64, 67,853,160.57 and 27,143,272.09 is: 37,456,733.75
Step by Step Solution
- Step 1: Write the proportion equation
49,170,245.64 : 67,853,160.57 = 27,143,272.09 : x - Step 2: Convert to fraction form
49,170,245.64/67,853,160.57 = 27,143,272.09/x - Step 3: Cross multiply
49,170,245.64x = 67,853,160.57 × 27,143,272.09 - Step 4: Simplify right side
49,170,245.64x = 1,841,756,799,517,969.25 - Step 5: Solve for x
x = 1,841,756,799,517,969.25/49,170,245.64 - Step 6: Final answer
x = 37,456,733.75
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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.