Finding the Fourth Proportional to 196,993,609.80, 295,490,414.70 and 115,364,272.20
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Solution
The fourth proportional to 196,993,609.80, 295,490,414.70 and 115,364,272.20 is: 173,046,408.30
Step by Step Solution
- Step 1: Write the proportion equation
196,993,609.80 : 295,490,414.70 = 115,364,272.20 : x - Step 2: Convert to fraction form
196,993,609.80/295,490,414.70 = 115,364,272.20/x - Step 3: Cross multiply
196,993,609.80x = 295,490,414.70 × 115,364,272.20 - Step 4: Simplify right side
196,993,609.80x = 34,089,036,633,941,680 - Step 5: Solve for x
x = 34,089,036,633,941,680/196,993,609.80 - Step 6: Final answer
x = 173,046,408.30
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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.