Finding the Fourth Proportional to 186,976,129.14, 281,740,441.26 and 153,644,149.62
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Solution
The fourth proportional to 186,976,129.14, 281,740,441.26 and 153,644,149.62 is: 231,514,957.07
Step by Step Solution
- Step 1: Write the proportion equation
186,976,129.14 : 281,740,441.26 = 153,644,149.62 : x - Step 2: Convert to fraction form
186,976,129.14/281,740,441.26 = 153,644,149.62/x - Step 3: Cross multiply
186,976,129.14x = 281,740,441.26 × 153,644,149.62 - Step 4: Simplify right side
186,976,129.14x = 43,287,770,510,956,264 - Step 5: Solve for x
x = 43,287,770,510,956,264/186,976,129.14 - Step 6: Final answer
x = 231,514,957.07
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.