Finding the Fourth Proportional to 203,940,556.11, 281,438,007.84 and 111,121,063.65
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Solution
The fourth proportional to 203,940,556.11, 281,438,007.84 and 111,121,063.65 is: 153,347,089.85
Step by Step Solution
- Step 1: Write the proportion equation
203,940,556.11 : 281,438,007.84 = 111,121,063.65 : x - Step 2: Convert to fraction form
203,940,556.11/281,438,007.84 = 111,121,063.65/x - Step 3: Cross multiply
203,940,556.11x = 281,438,007.84 × 111,121,063.65 - Step 4: Simplify right side
203,940,556.11x = 31,273,690,782,717,836 - Step 5: Solve for x
x = 31,273,690,782,717,836/203,940,556.11 - Step 6: Final answer
x = 153,347,089.85
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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.