Finding the Fourth Proportional to 209,724,206.42, 289,543,414.02 and 186,454,951.14
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Solution
The fourth proportional to 209,724,206.42, 289,543,414.02 and 186,454,951.14 is: 257,418,082.71
Step by Step Solution
- Step 1: Write the proportion equation
209,724,206.42 : 289,543,414.02 = 186,454,951.14 : x - Step 2: Convert to fraction form
209,724,206.42/289,543,414.02 = 186,454,951.14/x - Step 3: Cross multiply
209,724,206.42x = 289,543,414.02 × 186,454,951.14 - Step 4: Simplify right side
209,724,206.42x = 53,986,803,114,007,880 - Step 5: Solve for x
x = 53,986,803,114,007,880/209,724,206.42 - Step 6: Final answer
x = 257,418,082.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.