Finding the Fourth Proportional to 50,270,086.47, 69,372,244.38 and 27,942,487.09
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Solution
The fourth proportional to 50,270,086.47, 69,372,244.38 and 27,942,487.09 is: 38,560,368.19
Step by Step Solution
- Step 1: Write the proportion equation
50,270,086.47 : 69,372,244.38 = 27,942,487.09 : x - Step 2: Convert to fraction form
50,270,086.47/69,372,244.38 = 27,942,487.09/x - Step 3: Cross multiply
50,270,086.47x = 69,372,244.38 × 27,942,487.09 - Step 4: Simplify right side
50,270,086.47x = 1,938,433,042,992,475 - Step 5: Solve for x
x = 1,938,433,042,992,475/50,270,086.47 - Step 6: Final answer
x = 38,560,368.19
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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.