Finding the Fourth Proportional to 209,264,082.66, 313,609,145.85 and 132,449,994.18
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Solution
The fourth proportional to 209,264,082.66, 313,609,145.85 and 132,449,994.18 is: 198,493,353.54
Step by Step Solution
- Step 1: Write the proportion equation
209,264,082.66 : 313,609,145.85 = 132,449,994.18 : x - Step 2: Convert to fraction form
209,264,082.66/313,609,145.85 = 132,449,994.18/x - Step 3: Cross multiply
209,264,082.66x = 313,609,145.85 × 132,449,994.18 - Step 4: Simplify right side
209,264,082.66x = 41,537,529,542,627,280 - Step 5: Solve for x
x = 41,537,529,542,627,280/209,264,082.66 - Step 6: Final answer
x = 198,493,353.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.