Finding the Fourth Proportional to 222,011,441.70, 332,379,433.35 and 135,917,999.70
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Solution
The fourth proportional to 222,011,441.70, 332,379,433.35 and 135,917,999.70 is: 203,486,574.28
Step by Step Solution
- Step 1: Write the proportion equation
222,011,441.70 : 332,379,433.35 = 135,917,999.70 : x - Step 2: Convert to fraction form
222,011,441.70/332,379,433.35 = 135,917,999.70/x - Step 3: Cross multiply
222,011,441.70x = 332,379,433.35 × 135,917,999.70 - Step 4: Simplify right side
222,011,441.70x = 45,176,347,722,351,472 - Step 5: Solve for x
x = 45,176,347,722,351,472/222,011,441.70 - Step 6: Final answer
x = 203,486,574.28
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1.5x scale
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.