Finding the Fourth Proportional to 198,794,253.99, 274,332,795.26 and 116,302,013.67
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Solution
The fourth proportional to 198,794,253.99, 274,332,795.26 and 116,302,013.67 is: 160,494,862.72
Step by Step Solution
- Step 1: Write the proportion equation
198,794,253.99 : 274,332,795.26 = 116,302,013.67 : x - Step 2: Convert to fraction form
198,794,253.99/274,332,795.26 = 116,302,013.67/x - Step 3: Cross multiply
198,794,253.99x = 274,332,795.26 × 116,302,013.67 - Step 4: Simplify right side
198,794,253.99x = 31,905,456,503,876,320 - Step 5: Solve for x
x = 31,905,456,503,876,320/198,794,253.99 - Step 6: Final answer
x = 160,494,862.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.