Finding the Fourth Proportional to 49,616,709.18, 68,471,115.54 and 27,589,735.68
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Solution
The fourth proportional to 49,616,709.18, 68,471,115.54 and 27,589,735.68 is: 38,073,866.86
Step by Step Solution
- Step 1: Write the proportion equation
49,616,709.18 : 68,471,115.54 = 27,589,735.68 : x - Step 2: Convert to fraction form
49,616,709.18/68,471,115.54 = 27,589,735.68/x - Step 3: Cross multiply
49,616,709.18x = 68,471,115.54 × 27,589,735.68 - Step 4: Simplify right side
49,616,709.18x = 1,889,099,979,463,340.75 - Step 5: Solve for x
x = 1,889,099,979,463,340.75/49,616,709.18 - Step 6: Final answer
x = 38,073,866.86
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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.