Finding the Fourth Proportional to 203,940,585.36, 281,438,048.16 and 111,121,093.26
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Solution
The fourth proportional to 203,940,585.36, 281,438,048.16 and 111,121,093.26 is: 153,347,130.69
Step by Step Solution
- Step 1: Write the proportion equation
203,940,585.36 : 281,438,048.16 = 111,121,093.26 : x - Step 2: Convert to fraction form
203,940,585.36/281,438,048.16 = 111,121,093.26/x - Step 3: Cross multiply
203,940,585.36x = 281,438,048.16 × 111,121,093.26 - Step 4: Simplify right side
203,940,585.36x = 31,273,703,596,499,736 - Step 5: Solve for x
x = 31,273,703,596,499,736/203,940,585.36 - Step 6: Final answer
x = 153,347,130.69
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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.