Finding the Fourth Proportional to 111,214,233.80, 166,821,350.70 and 92,318,553.80
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Solution
The fourth proportional to 111,214,233.80, 166,821,350.70 and 92,318,553.80 is: 138,477,830.70
Step by Step Solution
- Step 1: Write the proportion equation
111,214,233.80 : 166,821,350.70 = 92,318,553.80 : x - Step 2: Convert to fraction form
111,214,233.80/166,821,350.70 = 92,318,553.80/x - Step 3: Cross multiply
111,214,233.80x = 166,821,350.70 × 92,318,553.80 - Step 4: Simplify right side
111,214,233.80x = 15,400,705,839,586,616 - Step 5: Solve for x
x = 15,400,705,839,586,616/111,214,233.80 - Step 6: Final answer
x = 138,477,830.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.