Finding the Fourth Proportional to 221,436,770.80, 332,155,156.20 and 98,614,850.80
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Solution
The fourth proportional to 221,436,770.80, 332,155,156.20 and 98,614,850.80 is: 147,922,276.20
Step by Step Solution
- Step 1: Write the proportion equation
221,436,770.80 : 332,155,156.20 = 98,614,850.80 : x - Step 2: Convert to fraction form
221,436,770.80/332,155,156.20 = 98,614,850.80/x - Step 3: Cross multiply
221,436,770.80x = 332,155,156.20 × 98,614,850.80 - Step 4: Simplify right side
221,436,770.80x = 32,755,431,171,113,692 - Step 5: Solve for x
x = 32,755,431,171,113,692/221,436,770.80 - Step 6: Final answer
x = 147,922,276.20
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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.