Finding the Fourth Proportional to 141,304,839.15, 194,972,091.21 and 82,556,157.99
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Solution
The fourth proportional to 141,304,839.15, 194,972,091.21 and 82,556,157.99 is: 113,910,796.42
Step by Step Solution
- Step 1: Write the proportion equation
141,304,839.15 : 194,972,091.21 = 82,556,157.99 : x - Step 2: Convert to fraction form
141,304,839.15/194,972,091.21 = 82,556,157.99/x - Step 3: Cross multiply
141,304,839.15x = 194,972,091.21 × 82,556,157.99 - Step 4: Simplify right side
141,304,839.15x = 16,096,146,765,573,450 - Step 5: Solve for x
x = 16,096,146,765,573,450/141,304,839.15 - Step 6: Final answer
x = 113,910,796.42
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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.