Finding the Fourth Proportional to 231,777,698.70, 347,713,204.05 and 68,015,138.70
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Solution
The fourth proportional to 231,777,698.70, 347,713,204.05 and 68,015,138.70 is: 102,036,399.25
Step by Step Solution
- Step 1: Write the proportion equation
231,777,698.70 : 347,713,204.05 = 68,015,138.70 : x - Step 2: Convert to fraction form
231,777,698.70/347,713,204.05 = 68,015,138.70/x - Step 3: Cross multiply
231,777,698.70x = 347,713,204.05 × 68,015,138.70 - Step 4: Simplify right side
231,777,698.70x = 23,649,761,801,282,152 - Step 5: Solve for x
x = 23,649,761,801,282,152/231,777,698.70 - Step 6: Final answer
x = 102,036,399.25
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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.