Finding the Fourth Proportional to 203,940,549.36, 281,437,998.39 and 111,121,057.31
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Solution
The fourth proportional to 203,940,549.36, 281,437,998.39 and 111,121,057.31 is: 153,347,081.02
Step by Step Solution
- Step 1: Write the proportion equation
203,940,549.36 : 281,437,998.39 = 111,121,057.31 : x - Step 2: Convert to fraction form
203,940,549.36/281,437,998.39 = 111,121,057.31/x - Step 3: Cross multiply
203,940,549.36x = 281,437,998.39 × 111,121,057.31 - Step 4: Simplify right side
203,940,549.36x = 31,273,687,946,899,688 - Step 5: Solve for x
x = 31,273,687,946,899,688/203,940,549.36 - Step 6: Final answer
x = 153,347,081.02
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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.