Finding the Fourth Proportional to 151,086,007.20, 226,629,010.80 and 138,488,887.20
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Solution
The fourth proportional to 151,086,007.20, 226,629,010.80 and 138,488,887.20 is: 207,733,330.80
Step by Step Solution
- Step 1: Write the proportion equation
151,086,007.20 : 226,629,010.80 = 138,488,887.20 : x - Step 2: Convert to fraction form
151,086,007.20/226,629,010.80 = 138,488,887.20/x - Step 3: Cross multiply
151,086,007.20x = 226,629,010.80 × 138,488,887.20 - Step 4: Simplify right side
151,086,007.20x = 31,385,599,512,928,780 - Step 5: Solve for x
x = 31,385,599,512,928,780/151,086,007.20 - Step 6: Final answer
x = 207,733,330.80
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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.