Finding the Fourth Proportional to 87,972,571.84, 131,954,565.48 and 32,651,171.32
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Solution
The fourth proportional to 87,972,571.84, 131,954,565.48 and 32,651,171.32 is: 48,975,163.89
Step by Step Solution
- Step 1: Write the proportion equation
87,972,571.84 : 131,954,565.48 = 32,651,171.32 : x - Step 2: Convert to fraction form
87,972,571.84/131,954,565.48 = 32,651,171.32/x - Step 3: Cross multiply
87,972,571.84x = 131,954,565.48 × 32,651,171.32 - Step 4: Simplify right side
87,972,571.84x = 4,308,471,123,943,638 - Step 5: Solve for x
x = 4,308,471,123,943,638/87,972,571.84 - Step 6: Final answer
x = 48,975,163.89
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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.