Finding the Fourth Proportional to 221,609,879.96, 332,431,528.62 and 66,151,407.56
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Solution
The fourth proportional to 221,609,879.96, 332,431,528.62 and 66,151,407.56 is: 99,232,098.95
Step by Step Solution
- Step 1: Write the proportion equation
221,609,879.96 : 332,431,528.62 = 66,151,407.56 : x - Step 2: Convert to fraction form
221,609,879.96/332,431,528.62 = 66,151,407.56/x - Step 3: Cross multiply
221,609,879.96x = 332,431,528.62 × 66,151,407.56 - Step 4: Simplify right side
221,609,879.96x = 21,990,813,535,535,424 - Step 5: Solve for x
x = 21,990,813,535,535,424/221,609,879.96 - Step 6: Final answer
x = 99,232,098.95
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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.