Finding the Fourth Proportional to 90,995,599.67, 136,479,945.26 and 33,474,418.70
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Solution
The fourth proportional to 90,995,599.67, 136,479,945.26 and 33,474,418.70 is: 50,206,678.65
Step by Step Solution
- Step 1: Write the proportion equation
90,995,599.67 : 136,479,945.26 = 33,474,418.70 : x - Step 2: Convert to fraction form
90,995,599.67/136,479,945.26 = 33,474,418.70/x - Step 3: Cross multiply
90,995,599.67x = 136,479,945.26 × 33,474,418.70 - Step 4: Simplify right side
90,995,599.67x = 4,568,586,831,187,606 - Step 5: Solve for x
x = 4,568,586,831,187,606/90,995,599.67 - Step 6: Final answer
x = 50,206,678.65
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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.