Finding the Fourth Proportional to 207,440,314.20, 311,160,471.30 and 161,523,811.80
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Solution
The fourth proportional to 207,440,314.20, 311,160,471.30 and 161,523,811.80 is: 242,285,717.70
Step by Step Solution
- Step 1: Write the proportion equation
207,440,314.20 : 311,160,471.30 = 161,523,811.80 : x - Step 2: Convert to fraction form
207,440,314.20/311,160,471.30 = 161,523,811.80/x - Step 3: Cross multiply
207,440,314.20x = 311,160,471.30 × 161,523,811.80 - Step 4: Simplify right side
207,440,314.20x = 50,259,825,405,860,504 - Step 5: Solve for x
x = 50,259,825,405,860,504/207,440,314.20 - Step 6: Final answer
x = 242,285,717.70
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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.