Finding the Fourth Proportional to 215,953,198.62, 324,111,472.18 and 202,332,931.68
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Solution
The fourth proportional to 215,953,198.62, 324,111,472.18 and 202,332,931.68 is: 303,669,613.49
Step by Step Solution
- Step 1: Write the proportion equation
215,953,198.62 : 324,111,472.18 = 202,332,931.68 : x - Step 2: Convert to fraction form
215,953,198.62/324,111,472.18 = 202,332,931.68/x - Step 3: Cross multiply
215,953,198.62x = 324,111,472.18 × 202,332,931.68 - Step 4: Simplify right side
215,953,198.62x = 65,578,424,357,327,376 - Step 5: Solve for x
x = 65,578,424,357,327,376/215,953,198.62 - Step 6: Final answer
x = 303,669,613.49
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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.