Finding the Fourth Proportional to 187,630,076.97, 281,480,471.42 and 71,080,341.75
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Solution
The fourth proportional to 187,630,076.97, 281,480,471.42 and 71,080,341.75 is: 106,633,906.61
Step by Step Solution
- Step 1: Write the proportion equation
187,630,076.97 : 281,480,471.42 = 71,080,341.75 : x - Step 2: Convert to fraction form
187,630,076.97/281,480,471.42 = 71,080,341.75/x - Step 3: Cross multiply
187,630,076.97x = 281,480,471.42 × 71,080,341.75 - Step 4: Simplify right side
187,630,076.97x = 20,007,728,104,129,308 - Step 5: Solve for x
x = 20,007,728,104,129,308/187,630,076.97 - Step 6: Final answer
x = 106,633,906.61
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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.