Finding the Fourth Proportional to 141,451,309.12, 212,212,275.20 and 49,336,370.88
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Solution
The fourth proportional to 141,451,309.12, 212,212,275.20 and 49,336,370.88 is: 74,016,872.52
Step by Step Solution
- Step 1: Write the proportion equation
141,451,309.12 : 212,212,275.20 = 49,336,370.88 : x - Step 2: Convert to fraction form
141,451,309.12/212,212,275.20 = 49,336,370.88/x - Step 3: Cross multiply
141,451,309.12x = 212,212,275.20 × 49,336,370.88 - Step 4: Simplify right side
141,451,309.12x = 10,469,783,514,555,826 - Step 5: Solve for x
x = 10,469,783,514,555,826/141,451,309.12 - Step 6: Final answer
x = 74,016,872.52
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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.