Finding the Fourth Proportional to 161,838,413.80, 242,757,620.70 and 161,838,413.80
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Solution
The fourth proportional to 161,838,413.80, 242,757,620.70 and 161,838,413.80 is: 242,757,620.70
Step by Step Solution
- Step 1: Write the proportion equation
161,838,413.80 : 242,757,620.70 = 161,838,413.80 : x - Step 2: Convert to fraction form
161,838,413.80/242,757,620.70 = 161,838,413.80/x - Step 3: Cross multiply
161,838,413.80x = 242,757,620.70 × 161,838,413.80 - Step 4: Simplify right side
161,838,413.80x = 39,287,508,271,950,048 - Step 5: Solve for x
x = 39,287,508,271,950,048/161,838,413.80 - Step 6: Final answer
x = 242,757,620.70
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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.