Finding the Fourth Proportional to 303,218,912.18, 418,442,098.50 and 163,989,673.80
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Solution
The fourth proportional to 303,218,912.18, 418,442,098.50 and 163,989,673.80 is: 226,305,749.68
Step by Step Solution
- Step 1: Write the proportion equation
303,218,912.18 : 418,442,098.50 = 163,989,673.80 : x - Step 2: Convert to fraction form
303,218,912.18/418,442,098.50 = 163,989,673.80/x - Step 3: Cross multiply
303,218,912.18x = 418,442,098.50 × 163,989,673.80 - Step 4: Simplify right side
303,218,912.18x = 68,620,183,237,202,472 - Step 5: Solve for x
x = 68,620,183,237,202,472/303,218,912.18 - Step 6: Final answer
x = 226,305,749.68
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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.