Finding the Fourth Proportional to 173,380,605.20, 260,070,907.80 and 115,900,413.20
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Solution
The fourth proportional to 173,380,605.20, 260,070,907.80 and 115,900,413.20 is: 173,850,619.80
Step by Step Solution
- Step 1: Write the proportion equation
173,380,605.20 : 260,070,907.80 = 115,900,413.20 : x - Step 2: Convert to fraction form
173,380,605.20/260,070,907.80 = 115,900,413.20/x - Step 3: Cross multiply
173,380,605.20x = 260,070,907.80 × 115,900,413.20 - Step 4: Simplify right side
173,380,605.20x = 30,142,325,675,319,104 - Step 5: Solve for x
x = 30,142,325,675,319,104/173,380,605.20 - Step 6: Final answer
x = 173,850,619.80
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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.