Finding the Fourth Proportional to 146,983,318.53, 202,835,369.93 and 80,902,403.97
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Solution
The fourth proportional to 146,983,318.53, 202,835,369.93 and 80,902,403.97 is: 111,644,431.50
Step by Step Solution
- Step 1: Write the proportion equation
146,983,318.53 : 202,835,369.93 = 80,902,403.97 : x - Step 2: Convert to fraction form
146,983,318.53/202,835,369.93 = 80,902,403.97/x - Step 3: Cross multiply
146,983,318.53x = 202,835,369.93 × 80,902,403.97 - Step 4: Simplify right side
146,983,318.53x = 16,409,869,037,481,250 - Step 5: Solve for x
x = 16,409,869,037,481,250/146,983,318.53 - Step 6: Final answer
x = 111,644,431.50
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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.