Finding the Fourth Proportional to 196,836,085.26, 271,642,044.42 and 113,204,272.68
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Solution
The fourth proportional to 196,836,085.26, 271,642,044.42 and 113,204,272.68 is: 156,226,639.17
Step by Step Solution
- Step 1: Write the proportion equation
196,836,085.26 : 271,642,044.42 = 113,204,272.68 : x - Step 2: Convert to fraction form
196,836,085.26/271,642,044.42 = 113,204,272.68/x - Step 3: Cross multiply
196,836,085.26x = 271,642,044.42 × 113,204,272.68 - Step 4: Simplify right side
196,836,085.26x = 30,751,040,067,874,356 - Step 5: Solve for x
x = 30,751,040,067,874,356/196,836,085.26 - Step 6: Final answer
x = 156,226,639.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.