Finding the Fourth Proportional to 114,192,794.28, 157,586,183.73 and 61,981,816.08
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Solution
The fourth proportional to 114,192,794.28, 157,586,183.73 and 61,981,816.08 is: 85,534,975.46
Step by Step Solution
- Step 1: Write the proportion equation
114,192,794.28 : 157,586,183.73 = 61,981,816.08 : x - Step 2: Convert to fraction form
114,192,794.28/157,586,183.73 = 61,981,816.08/x - Step 3: Cross multiply
114,192,794.28x = 157,586,183.73 × 61,981,816.08 - Step 4: Simplify right side
114,192,794.28x = 9,767,477,856,701,948 - Step 5: Solve for x
x = 9,767,477,856,701,948/114,192,794.28 - Step 6: Final answer
x = 85,534,975.46
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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.