Finding the Fourth Proportional to 221,433,105.70, 332,149,658.55 and 106,389,907.30
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Solution
The fourth proportional to 221,433,105.70, 332,149,658.55 and 106,389,907.30 is: 159,584,860.95
Step by Step Solution
- Step 1: Write the proportion equation
221,433,105.70 : 332,149,658.55 = 106,389,907.30 : x - Step 2: Convert to fraction form
221,433,105.70/332,149,658.55 = 106,389,907.30/x - Step 3: Cross multiply
221,433,105.70x = 332,149,658.55 × 106,389,907.30 - Step 4: Simplify right side
221,433,105.70x = 35,337,371,382,861,152 - Step 5: Solve for x
x = 35,337,371,382,861,152/221,433,105.70 - Step 6: Final answer
x = 159,584,860.95
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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.