Finding the Fourth Proportional to 151,188,805.20, 226,783,207.80 and 74,661,301.20
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Solution
The fourth proportional to 151,188,805.20, 226,783,207.80 and 74,661,301.20 is: 111,991,951.80
Step by Step Solution
- Step 1: Write the proportion equation
151,188,805.20 : 226,783,207.80 = 74,661,301.20 : x - Step 2: Convert to fraction form
151,188,805.20/226,783,207.80 = 74,661,301.20/x - Step 3: Cross multiply
151,188,805.20x = 226,783,207.80 × 74,661,301.20 - Step 4: Simplify right side
151,188,805.20x = 16,931,929,384,657,990 - Step 5: Solve for x
x = 16,931,929,384,657,990/151,188,805.20 - Step 6: Final answer
x = 111,991,951.80
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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.