Finding the Fourth Proportional to 151,760,463.84, 209,342,020.12 and 91,367,413.24
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Solution
The fourth proportional to 151,760,463.84, 209,342,020.12 and 91,367,413.24 is: 126,034,399.06
Step by Step Solution
- Step 1: Write the proportion equation
151,760,463.84 : 209,342,020.12 = 91,367,413.24 : x - Step 2: Convert to fraction form
151,760,463.84/209,342,020.12 = 91,367,413.24/x - Step 3: Cross multiply
151,760,463.84x = 209,342,020.12 × 91,367,413.24 - Step 4: Simplify right side
151,760,463.84x = 19,127,038,860,800,432 - Step 5: Solve for x
x = 19,127,038,860,800,432/151,760,463.84 - Step 6: Final answer
x = 126,034,399.06
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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.