Finding the Fourth Proportional to 49,268,168.36, 67,987,324.74 and 27,240,344.72
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Solution
The fourth proportional to 49,268,168.36, 67,987,324.74 and 27,240,344.72 is: 37,590,156.57
Step by Step Solution
- Step 1: Write the proportion equation
49,268,168.36 : 67,987,324.74 = 27,240,344.72 : x - Step 2: Convert to fraction form
49,268,168.36/67,987,324.74 = 27,240,344.72/x - Step 3: Cross multiply
49,268,168.36x = 67,987,324.74 × 27,240,344.72 - Step 4: Simplify right side
49,268,168.36x = 1,851,998,162,508,184.25 - Step 5: Solve for x
x = 1,851,998,162,508,184.25/49,268,168.36 - Step 6: Final answer
x = 37,590,156.57
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1.5x scale
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.