Finding the Fourth Proportional to 281,175,778.24, 421,936,057.44 and 125,860,910.72
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Solution
The fourth proportional to 281,175,778.24, 421,936,057.44 and 125,860,910.72 is: 188,868,531.95
Step by Step Solution
- Step 1: Write the proportion equation
281,175,778.24 : 421,936,057.44 = 125,860,910.72 : x - Step 2: Convert to fraction form
281,175,778.24/421,936,057.44 = 125,860,910.72/x - Step 3: Cross multiply
281,175,778.24x = 421,936,057.44 × 125,860,910.72 - Step 4: Simplify right side
281,175,778.24x = 53,105,256,455,004,632 - Step 5: Solve for x
x = 53,105,256,455,004,632/281,175,778.24 - Step 6: Final answer
x = 188,868,531.95
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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.