Finding the Fourth Proportional to 186,770,173.88, 280,580,413.64 and 135,114,108.68
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Solution
The fourth proportional to 186,770,173.88, 280,580,413.64 and 135,114,108.68 is: 202,978,728.96
Step by Step Solution
- Step 1: Write the proportion equation
186,770,173.88 : 280,580,413.64 = 135,114,108.68 : x - Step 2: Convert to fraction form
186,770,173.88/280,580,413.64 = 135,114,108.68/x - Step 3: Cross multiply
186,770,173.88x = 280,580,413.64 × 135,114,108.68 - Step 4: Simplify right side
186,770,173.88x = 37,910,372,502,034,312 - Step 5: Solve for x
x = 37,910,372,502,034,312/186,770,173.88 - Step 6: Final answer
x = 202,978,728.96
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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.