Finding the Fourth Proportional to 146,821,226.18, 202,609,251.70 and 80,741,724.44
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Solution
The fourth proportional to 146,821,226.18, 202,609,251.70 and 80,741,724.44 is: 111,421,357.76
Step by Step Solution
- Step 1: Write the proportion equation
146,821,226.18 : 202,609,251.70 = 80,741,724.44 : x - Step 2: Convert to fraction form
146,821,226.18/202,609,251.70 = 80,741,724.44/x - Step 3: Cross multiply
146,821,226.18x = 202,609,251.70 × 80,741,724.44 - Step 4: Simplify right side
146,821,226.18x = 16,359,020,368,541,100 - Step 5: Solve for x
x = 16,359,020,368,541,100/146,821,226.18 - Step 6: Final answer
x = 111,421,357.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.