Finding the Fourth Proportional to 86,529,350.78, 119,391,413.84 and 51,229,627.92
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Solution
The fourth proportional to 86,529,350.78, 119,391,413.84 and 51,229,627.92 is: 70,685,584.17
Step by Step Solution
- Step 1: Write the proportion equation
86,529,350.78 : 119,391,413.84 = 51,229,627.92 : x - Step 2: Convert to fraction form
86,529,350.78/119,391,413.84 = 51,229,627.92/x - Step 3: Cross multiply
86,529,350.78x = 119,391,413.84 × 51,229,627.92 - Step 4: Simplify right side
86,529,350.78x = 6,116,377,707,865,939 - Step 5: Solve for x
x = 6,116,377,707,865,939/86,529,350.78 - Step 6: Final answer
x = 70,685,584.17
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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.