Finding the Fourth Proportional to 113,321,739.20, 169,982,608.80 and 36,652,517.60
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Solution
The fourth proportional to 113,321,739.20, 169,982,608.80 and 36,652,517.60 is: 54,978,776.40
Step by Step Solution
- Step 1: Write the proportion equation
113,321,739.20 : 169,982,608.80 = 36,652,517.60 : x - Step 2: Convert to fraction form
113,321,739.20/169,982,608.80 = 36,652,517.60/x - Step 3: Cross multiply
113,321,739.20x = 169,982,608.80 × 36,652,517.60 - Step 4: Simplify right side
113,321,739.20x = 6,230,290,560,735,916 - Step 5: Solve for x
x = 6,230,290,560,735,916/113,321,739.20 - Step 6: Final answer
x = 54,978,776.40
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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.