Finding the Fourth Proportional to 303,626,935.54, 419,005,368.75 and 164,397,791.62
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Solution
The fourth proportional to 303,626,935.54, 419,005,368.75 and 164,397,791.62 is: 226,869,059.48
Step by Step Solution
- Step 1: Write the proportion equation
303,626,935.54 : 419,005,368.75 = 164,397,791.62 : x - Step 2: Convert to fraction form
303,626,935.54/419,005,368.75 = 164,397,791.62/x - Step 3: Cross multiply
303,626,935.54x = 419,005,368.75 × 164,397,791.62 - Step 4: Simplify right side
303,626,935.54x = 68,883,557,299,423,760 - Step 5: Solve for x
x = 68,883,557,299,423,760/303,626,935.54 - Step 6: Final answer
x = 226,869,059.48
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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.