Finding the Fourth Proportional to 49,678,081.20, 74,517,121.80 and 22,415,157.90
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Solution
The fourth proportional to 49,678,081.20, 74,517,121.80 and 22,415,157.90 is: 33,622,736.85
Step by Step Solution
- Step 1: Write the proportion equation
49,678,081.20 : 74,517,121.80 = 22,415,157.90 : x - Step 2: Convert to fraction form
49,678,081.20/74,517,121.80 = 22,415,157.90/x - Step 3: Cross multiply
49,678,081.20x = 74,517,121.80 × 22,415,157.90 - Step 4: Simplify right side
49,678,081.20x = 1,670,313,051,400,532 - Step 5: Solve for x
x = 1,670,313,051,400,532/49,678,081.20 - Step 6: Final answer
x = 33,622,736.85
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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.