Finding the Fourth Proportional to 281,647,617.22, 422,384,958.96 and 194,767,437.55
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Solution
The fourth proportional to 281,647,617.22, 422,384,958.96 and 194,767,437.55 is: 292,091,361.99
Step by Step Solution
- Step 1: Write the proportion equation
281,647,617.22 : 422,384,958.96 = 194,767,437.55 : x - Step 2: Convert to fraction form
281,647,617.22/422,384,958.96 = 194,767,437.55/x - Step 3: Cross multiply
281,647,617.22x = 422,384,958.96 × 194,767,437.55 - Step 4: Simplify right side
281,647,617.22x = 82,266,836,116,301,120 - Step 5: Solve for x
x = 82,266,836,116,301,120/281,647,617.22 - Step 6: Final answer
x = 292,091,361.99
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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.