Finding the Fourth Proportional to 146,983,317.53, 202,835,368.55 and 80,902,402.97
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Solution
The fourth proportional to 146,983,317.53, 202,835,368.55 and 80,902,402.97 is: 111,644,430.12
Step by Step Solution
- Step 1: Write the proportion equation
146,983,317.53 : 202,835,368.55 = 80,902,402.97 : x - Step 2: Convert to fraction form
146,983,317.53/202,835,368.55 = 80,902,402.97/x - Step 3: Cross multiply
146,983,317.53x = 202,835,368.55 × 80,902,402.97 - Step 4: Simplify right side
146,983,317.53x = 16,409,868,722,188,646 - Step 5: Solve for x
x = 16,409,868,722,188,646/146,983,317.53 - Step 6: Final answer
x = 111,644,430.12
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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.