Finding the Fourth Proportional to 162,840,851.70, 244,261,277.55 and 145,622,163.30
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Solution
The fourth proportional to 162,840,851.70, 244,261,277.55 and 145,622,163.30 is: 218,433,244.95
Step by Step Solution
- Step 1: Write the proportion equation
162,840,851.70 : 244,261,277.55 = 145,622,163.30 : x - Step 2: Convert to fraction form
162,840,851.70/244,261,277.55 = 145,622,163.30/x - Step 3: Cross multiply
162,840,851.70x = 244,261,277.55 × 145,622,163.30 - Step 4: Simplify right side
162,840,851.70x = 35,569,855,647,252,728 - Step 5: Solve for x
x = 35,569,855,647,252,728/162,840,851.70 - Step 6: Final answer
x = 218,433,244.95
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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.