Finding the Fourth Proportional to 135,990,330.96, 204,045,734.52 and 71,278,757.04
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Solution
The fourth proportional to 135,990,330.96, 204,045,734.52 and 71,278,757.04 is: 106,949,709.09
Step by Step Solution
- Step 1: Write the proportion equation
135,990,330.96 : 204,045,734.52 = 71,278,757.04 : x - Step 2: Convert to fraction form
135,990,330.96/204,045,734.52 = 71,278,757.04/x - Step 3: Cross multiply
135,990,330.96x = 204,045,734.52 × 71,278,757.04 - Step 4: Simplify right side
135,990,330.96x = 14,544,126,335,899,424 - Step 5: Solve for x
x = 14,544,126,335,899,424/135,990,330.96 - Step 6: Final answer
x = 106,949,709.09
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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.