Finding the Fourth Proportional to 102,752,680.10, 141,661,524.53 and 81,629,546.68
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Solution
The fourth proportional to 102,752,680.10, 141,661,524.53 and 81,629,546.68 is: 112,539,799.61
Step by Step Solution
- Step 1: Write the proportion equation
102,752,680.10 : 141,661,524.53 = 81,629,546.68 : x - Step 2: Convert to fraction form
102,752,680.10/141,661,524.53 = 81,629,546.68/x - Step 3: Cross multiply
102,752,680.10x = 141,661,524.53 × 81,629,546.68 - Step 4: Simplify right side
102,752,680.10x = 11,563,766,028,265,144 - Step 5: Solve for x
x = 11,563,766,028,265,144/102,752,680.10 - Step 6: Final answer
x = 112,539,799.61
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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.