Finding the Fourth Proportional to 49,569,919.70, 68,403,490.44 and 27,542,665.94
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Solution
The fourth proportional to 49,569,919.70, 68,403,490.44 and 27,542,665.94 is: 38,007,212.80
Step by Step Solution
- Step 1: Write the proportion equation
49,569,919.70 : 68,403,490.44 = 27,542,665.94 : x - Step 2: Convert to fraction form
49,569,919.70/68,403,490.44 = 27,542,665.94/x - Step 3: Cross multiply
49,569,919.70x = 68,403,490.44 × 27,542,665.94 - Step 4: Simplify right side
49,569,919.70x = 1,884,014,486,318,903.75 - Step 5: Solve for x
x = 1,884,014,486,318,903.75/49,569,919.70 - Step 6: Final answer
x = 38,007,212.80
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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.