Finding the Fourth Proportional to 127,747,860.75, 176,292,204.57 and 69,010,524.72
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Solution
The fourth proportional to 127,747,860.75, 176,292,204.57 and 69,010,524.72 is: 95,234,608.78
Step by Step Solution
- Step 1: Write the proportion equation
127,747,860.75 : 176,292,204.57 = 69,010,524.72 : x - Step 2: Convert to fraction form
127,747,860.75/176,292,204.57 = 69,010,524.72/x - Step 3: Cross multiply
127,747,860.75x = 176,292,204.57 × 69,010,524.72 - Step 4: Simplify right side
127,747,860.75x = 12,166,017,541,421,282 - Step 5: Solve for x
x = 12,166,017,541,421,282/127,747,860.75 - Step 6: Final answer
x = 95,234,608.78
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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.