Finding the Fourth Proportional to 269,451,865.70, 404,177,798.55 and 167,415,193.70
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Solution
The fourth proportional to 269,451,865.70, 404,177,798.55 and 167,415,193.70 is: 251,122,790.55
Step by Step Solution
- Step 1: Write the proportion equation
269,451,865.70 : 404,177,798.55 = 167,415,193.70 : x - Step 2: Convert to fraction form
269,451,865.70/404,177,798.55 = 167,415,193.70/x - Step 3: Cross multiply
269,451,865.70x = 404,177,798.55 × 167,415,193.70 - Step 4: Simplify right side
269,451,865.70x = 67,665,504,433,487,824 - Step 5: Solve for x
x = 67,665,504,433,487,824/269,451,865.70 - Step 6: Final answer
x = 251,122,790.55
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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.