Finding the Fourth Proportional to 73,846,821.80, 110,770,232.70 and 65,343,765.80
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Solution
The fourth proportional to 73,846,821.80, 110,770,232.70 and 65,343,765.80 is: 98,015,648.70
Step by Step Solution
- Step 1: Write the proportion equation
73,846,821.80 : 110,770,232.70 = 65,343,765.80 : x - Step 2: Convert to fraction form
73,846,821.80/110,770,232.70 = 65,343,765.80/x - Step 3: Cross multiply
73,846,821.80x = 110,770,232.70 × 65,343,765.80 - Step 4: Simplify right side
73,846,821.80x = 7,238,144,143,160,302 - Step 5: Solve for x
x = 7,238,144,143,160,302/73,846,821.80 - Step 6: Final answer
x = 98,015,648.70
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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.