Finding the Fourth Proportional to 203,629,894.56, 281,149,843.60 and 190,620,218.88
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Solution
The fourth proportional to 203,629,894.56, 281,149,843.60 and 190,620,218.88 is: 263,187,509.09
Step by Step Solution
- Step 1: Write the proportion equation
203,629,894.56 : 281,149,843.60 = 190,620,218.88 : x - Step 2: Convert to fraction form
203,629,894.56/281,149,843.60 = 190,620,218.88/x - Step 3: Cross multiply
203,629,894.56x = 281,149,843.60 × 190,620,218.88 - Step 4: Simplify right side
203,629,894.56x = 53,592,844,723,704,024 - Step 5: Solve for x
x = 53,592,844,723,704,024/203,629,894.56 - Step 6: Final answer
x = 263,187,509.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.