Finding the Fourth Proportional to 151,086,101.70, 226,629,152.55 and 138,488,981.70
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Solution
The fourth proportional to 151,086,101.70, 226,629,152.55 and 138,488,981.70 is: 207,733,472.55
Step by Step Solution
- Step 1: Write the proportion equation
151,086,101.70 : 226,629,152.55 = 138,488,981.70 : x - Step 2: Convert to fraction form
151,086,101.70/226,629,152.55 = 138,488,981.70/x - Step 3: Cross multiply
151,086,101.70x = 226,629,152.55 × 138,488,981.70 - Step 4: Simplify right side
151,086,101.70x = 31,385,640,560,183,456 - Step 5: Solve for x
x = 31,385,640,560,183,456/151,086,101.70 - Step 6: Final answer
x = 207,733,472.55
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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.