Finding the Fourth Proportional to 221,858,045.70, 332,149,339.35 and 135,764,603.70
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Solution
The fourth proportional to 221,858,045.70, 332,149,339.35 and 135,764,603.70 is: 203,256,651.27
Step by Step Solution
- Step 1: Write the proportion equation
221,858,045.70 : 332,149,339.35 = 135,764,603.70 : x - Step 2: Convert to fraction form
221,858,045.70/332,149,339.35 = 135,764,603.70/x - Step 3: Cross multiply
221,858,045.70x = 332,149,339.35 × 135,764,603.70 - Step 4: Simplify right side
221,858,045.70x = 45,094,123,426,069,568 - Step 5: Solve for x
x = 45,094,123,426,069,568/221,858,045.70 - Step 6: Final answer
x = 203,256,651.27
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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.