Finding the Fourth Proportional to 165,456,276.40, 248,184,414.60 and 44,287,728.40
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Solution
The fourth proportional to 165,456,276.40, 248,184,414.60 and 44,287,728.40 is: 66,431,592.60
Step by Step Solution
- Step 1: Write the proportion equation
165,456,276.40 : 248,184,414.60 = 44,287,728.40 : x - Step 2: Convert to fraction form
165,456,276.40/248,184,414.60 = 44,287,728.40/x - Step 3: Cross multiply
165,456,276.40x = 248,184,414.60 × 44,287,728.40 - Step 4: Simplify right side
165,456,276.40x = 10,991,523,946,917,794 - Step 5: Solve for x
x = 10,991,523,946,917,794/165,456,276.40 - Step 6: Final answer
x = 66,431,592.60
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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.