Finding the Fourth Proportional to 221,858,441.70, 332,149,933.35 and 135,764,999.70
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Solution
The fourth proportional to 221,858,441.70, 332,149,933.35 and 135,764,999.70 is: 203,257,244.83
Step by Step Solution
- Step 1: Write the proportion equation
221,858,441.70 : 332,149,933.35 = 135,764,999.70 : x - Step 2: Convert to fraction form
221,858,441.70/332,149,933.35 = 135,764,999.70/x - Step 3: Cross multiply
221,858,441.70x = 332,149,933.35 × 135,764,999.70 - Step 4: Simplify right side
221,858,441.70x = 45,094,335,601,617,768 - Step 5: Solve for x
x = 45,094,335,601,617,768/221,858,441.70 - Step 6: Final answer
x = 203,257,244.83
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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.