Finding the Fourth Proportional to 175,818,711.75, 242,629,824.38 and 98,556,375.75
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Solution
The fourth proportional to 175,818,711.75, 242,629,824.38 and 98,556,375.75 is: 136,007,799.75
Step by Step Solution
- Step 1: Write the proportion equation
175,818,711.75 : 242,629,824.38 = 98,556,375.75 : x - Step 2: Convert to fraction form
175,818,711.75/242,629,824.38 = 98,556,375.75/x - Step 3: Cross multiply
175,818,711.75x = 242,629,824.38 × 98,556,375.75 - Step 4: Simplify right side
175,818,711.75x = 23,912,716,139,259,008 - Step 5: Solve for x
x = 23,912,716,139,259,008/175,818,711.75 - Step 6: Final answer
x = 136,007,799.75
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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.