Finding the Fourth Proportional to 91,183,060.40, 125,832,413.28 and 49,929,591.92
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Solution
The fourth proportional to 91,183,060.40, 125,832,413.28 and 49,929,591.92 is: 68,902,721.82
Step by Step Solution
- Step 1: Write the proportion equation
91,183,060.40 : 125,832,413.28 = 49,929,591.92 : x - Step 2: Convert to fraction form
91,183,060.40/125,832,413.28 = 49,929,591.92/x - Step 3: Cross multiply
91,183,060.40x = 125,832,413.28 × 49,929,591.92 - Step 4: Simplify right side
91,183,060.40x = 6,282,761,045,379,189 - Step 5: Solve for x
x = 6,282,761,045,379,189/91,183,060.40 - Step 6: Final answer
x = 68,902,721.82
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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.