Finding the Fourth Proportional to 207,861,645.10, 311,456,544.45 and 131,047,206.70
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Solution
The fourth proportional to 207,861,645.10, 311,456,544.45 and 131,047,206.70 is: 196,359,025.92
Step by Step Solution
- Step 1: Write the proportion equation
207,861,645.10 : 311,456,544.45 = 131,047,206.70 : x - Step 2: Convert to fraction form
207,861,645.10/311,456,544.45 = 131,047,206.70/x - Step 3: Cross multiply
207,861,645.10x = 311,456,544.45 × 131,047,206.70 - Step 4: Simplify right side
207,861,645.10x = 40,815,510,158,606,888 - Step 5: Solve for x
x = 40,815,510,158,606,888/207,861,645.10 - Step 6: Final answer
x = 196,359,025.92
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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.