Finding the Fourth Proportional to 49,569,916.05, 68,403,485.40 and 27,542,662.29
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Solution
The fourth proportional to 49,569,916.05, 68,403,485.40 and 27,542,662.29 is: 38,007,207.75
Step by Step Solution
- Step 1: Write the proportion equation
49,569,916.05 : 68,403,485.40 = 27,542,662.29 : x - Step 2: Convert to fraction form
49,569,916.05/68,403,485.40 = 27,542,662.29/x - Step 3: Cross multiply
49,569,916.05x = 68,403,485.40 × 27,542,662.29 - Step 4: Simplify right side
49,569,916.05x = 1,884,014,097,351,414.75 - Step 5: Solve for x
x = 1,884,014,097,351,414.75/49,569,916.05 - Step 6: Final answer
x = 38,007,207.75
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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.