Finding the Fourth Proportional to 281,504,007.62, 422,278,990.12 and 141,372,396.48
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Solution
The fourth proportional to 281,504,007.62, 422,278,990.12 and 141,372,396.48 is: 212,070,134.70
Step by Step Solution
- Step 1: Write the proportion equation
281,504,007.62 : 422,278,990.12 = 141,372,396.48 : x - Step 2: Convert to fraction form
281,504,007.62/422,278,990.12 = 141,372,396.48/x - Step 3: Cross multiply
281,504,007.62x = 422,278,990.12 × 141,372,396.48 - Step 4: Simplify right side
281,504,007.62x = 59,698,592,815,004,136 - Step 5: Solve for x
x = 59,698,592,815,004,136/281,504,007.62 - Step 6: Final answer
x = 212,070,134.70
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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.