Finding the Fourth Proportional to 206,225,786.84, 284,596,979.49 and 112,145,436.18
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Solution
The fourth proportional to 206,225,786.84, 284,596,979.49 and 112,145,436.18 is: 154,763,635.00
Step by Step Solution
- Step 1: Write the proportion equation
206,225,786.84 : 284,596,979.49 = 112,145,436.18 : x - Step 2: Convert to fraction form
206,225,786.84/284,596,979.49 = 112,145,436.18/x - Step 3: Cross multiply
206,225,786.84x = 284,596,979.49 × 112,145,436.18 - Step 4: Simplify right side
206,225,786.84x = 31,916,252,400,416,568 - Step 5: Solve for x
x = 31,916,252,400,416,568/206,225,786.84 - Step 6: Final answer
x = 154,763,635.00
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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.