Finding the Fourth Proportional to 199,589,121.20, 299,607,630.60 and 154,351,463.60
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Solution
The fourth proportional to 199,589,121.20, 299,607,630.60 and 154,351,463.60 is: 231,700,385.33
Step by Step Solution
- Step 1: Write the proportion equation
199,589,121.20 : 299,607,630.60 = 154,351,463.60 : x - Step 2: Convert to fraction form
199,589,121.20/299,607,630.60 = 154,351,463.60/x - Step 3: Cross multiply
199,589,121.20x = 299,607,630.60 × 154,351,463.60 - Step 4: Simplify right side
199,589,121.20x = 46,244,876,288,838,152 - Step 5: Solve for x
x = 46,244,876,288,838,152/199,589,121.20 - Step 6: Final answer
x = 231,700,385.33
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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.