Finding the Fourth Proportional to 303,605,489.83, 418,970,495.42 and 164,375,121.19
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Solution
The fourth proportional to 303,605,489.83, 418,970,495.42 and 164,375,121.19 is: 226,834,916.58
Step by Step Solution
- Step 1: Write the proportion equation
303,605,489.83 : 418,970,495.42 = 164,375,121.19 : x - Step 2: Convert to fraction form
303,605,489.83/418,970,495.42 = 164,375,121.19/x - Step 3: Cross multiply
303,605,489.83x = 418,970,495.42 × 164,375,121.19 - Step 4: Simplify right side
303,605,489.83x = 68,868,325,958,874,968 - Step 5: Solve for x
x = 68,868,325,958,874,968/303,605,489.83 - Step 6: Final answer
x = 226,834,916.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.