Finding the Fourth Proportional to 110,981,350.80, 155,628,982.80 and 110,981,350.80
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Solution
The fourth proportional to 110,981,350.80, 155,628,982.80 and 110,981,350.80 is: 155,628,982.80
Step by Step Solution
- Step 1: Write the proportion equation
110,981,350.80 : 155,628,982.80 = 110,981,350.80 : x - Step 2: Convert to fraction form
110,981,350.80/155,628,982.80 = 110,981,350.80/x - Step 3: Cross multiply
110,981,350.80x = 155,628,982.80 × 110,981,350.80 - Step 4: Simplify right side
110,981,350.80x = 17,271,914,734,773,968 - Step 5: Solve for x
x = 17,271,914,734,773,968/110,981,350.80 - Step 6: Final answer
x = 155,628,982.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.