Finding the Fourth Proportional to 204,274,125, 281,568,984.84 and 138,170,516.40
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Solution
The fourth proportional to 204,274,125, 281,568,984.84 and 138,170,516.40 is: 190,452,569.74
Step by Step Solution
- Step 1: Write the proportion equation
204,274,125 : 281,568,984.84 = 138,170,516.40 : x - Step 2: Convert to fraction form
204,274,125/281,568,984.84 = 138,170,516.40/x - Step 3: Cross multiply
204,274,125x = 281,568,984.84 × 138,170,516.40 - Step 4: Simplify right side
204,274,125x = 38,904,532,037,566,568 - Step 5: Solve for x
x = 38,904,532,037,566,568/204,274,125 - Step 6: Final answer
x = 190,452,569.74
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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.