Finding the Fourth Proportional to 197,569,524.86, 296,239,413.88 and 74,757,329.49
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Solution
The fourth proportional to 197,569,524.86, 296,239,413.88 and 74,757,329.49 is: 112,092,527.87
Step by Step Solution
- Step 1: Write the proportion equation
197,569,524.86 : 296,239,413.88 = 74,757,329.49 : x - Step 2: Convert to fraction form
197,569,524.86/296,239,413.88 = 74,757,329.49/x - Step 3: Cross multiply
197,569,524.86x = 296,239,413.88 × 74,757,329.49 - Step 4: Simplify right side
197,569,524.86x = 22,146,067,471,351,636 - Step 5: Solve for x
x = 22,146,067,471,351,636/197,569,524.86 - Step 6: Final answer
x = 112,092,527.87
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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.