Finding the Fourth Proportional to 203,629,902.66, 281,149,854.78 and 190,620,226.98
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Solution
The fourth proportional to 203,629,902.66, 281,149,854.78 and 190,620,226.98 is: 263,187,520.27
Step by Step Solution
- Step 1: Write the proportion equation
203,629,902.66 : 281,149,854.78 = 190,620,226.98 : x - Step 2: Convert to fraction form
203,629,902.66/281,149,854.78 = 190,620,226.98/x - Step 3: Cross multiply
203,629,902.66x = 281,149,854.78 × 190,620,226.98 - Step 4: Simplify right side
203,629,902.66x = 53,592,849,133,557,632 - Step 5: Solve for x
x = 53,592,849,133,557,632/203,629,902.66 - Step 6: Final answer
x = 263,187,520.27
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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.