Finding the Fourth Proportional to 117,287,115.20, 175,930,672.80 and 32,186,571.20
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Solution
The fourth proportional to 117,287,115.20, 175,930,672.80 and 32,186,571.20 is: 48,279,856.80
Step by Step Solution
- Step 1: Write the proportion equation
117,287,115.20 : 175,930,672.80 = 32,186,571.20 : x - Step 2: Convert to fraction form
117,287,115.20/175,930,672.80 = 32,186,571.20/x - Step 3: Cross multiply
117,287,115.20x = 175,930,672.80 × 32,186,571.20 - Step 4: Simplify right side
117,287,115.20x = 5,662,605,126,341,104 - Step 5: Solve for x
x = 5,662,605,126,341,104/117,287,115.20 - Step 6: Final answer
x = 48,279,856.80
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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.