Finding the Fourth Proportional to 201,295,757.44, 301,431,353.28 and 133,036,163.20
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Solution
The fourth proportional to 201,295,757.44, 301,431,353.28 and 133,036,163.20 is: 199,215,677.56
Step by Step Solution
- Step 1: Write the proportion equation
201,295,757.44 : 301,431,353.28 = 133,036,163.20 : x - Step 2: Convert to fraction form
201,295,757.44/301,431,353.28 = 133,036,163.20/x - Step 3: Cross multiply
201,295,757.44x = 301,431,353.28 × 133,036,163.20 - Step 4: Simplify right side
201,295,757.44x = 40,101,270,708,554,936 - Step 5: Solve for x
x = 40,101,270,708,554,936/201,295,757.44 - Step 6: Final answer
x = 199,215,677.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.