Finding the Fourth Proportional to 146,821,223.93, 202,609,248.60 and 80,741,722.19
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Solution
The fourth proportional to 146,821,223.93, 202,609,248.60 and 80,741,722.19 is: 111,421,354.66
Step by Step Solution
- Step 1: Write the proportion equation
146,821,223.93 : 202,609,248.60 = 80,741,722.19 : x - Step 2: Convert to fraction form
146,821,223.93/202,609,248.60 = 80,741,722.19/x - Step 3: Cross multiply
146,821,223.93x = 202,609,248.60 × 80,741,722.19 - Step 4: Simplify right side
146,821,223.93x = 16,359,019,662,421,812 - Step 5: Solve for x
x = 16,359,019,662,421,812/146,821,223.93 - Step 6: Final answer
x = 111,421,354.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.