Finding the Fourth Proportional to 207,941,574.27, 311,960,197.24 and 69,785,514.70
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Solution
The fourth proportional to 207,941,574.27, 311,960,197.24 and 69,785,514.70 is: 104,694,325.83
Step by Step Solution
- Step 1: Write the proportion equation
207,941,574.27 : 311,960,197.24 = 69,785,514.70 : x - Step 2: Convert to fraction form
207,941,574.27/311,960,197.24 = 69,785,514.70/x - Step 3: Cross multiply
207,941,574.27x = 311,960,197.24 × 69,785,514.70 - Step 4: Simplify right side
207,941,574.27x = 21,770,302,930,306,920 - Step 5: Solve for x
x = 21,770,302,930,306,920/207,941,574.27 - Step 6: Final answer
x = 104,694,325.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.