Finding the Fourth Proportional to 227,092,701.09, 313,387,686.89 and 122,670,755.67
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Solution
The fourth proportional to 227,092,701.09, 313,387,686.89 and 122,670,755.67 is: 169,285,512.85
Step by Step Solution
- Step 1: Write the proportion equation
227,092,701.09 : 313,387,686.89 = 122,670,755.67 : x - Step 2: Convert to fraction form
227,092,701.09/313,387,686.89 = 122,670,755.67/x - Step 3: Cross multiply
227,092,701.09x = 313,387,686.89 × 122,670,755.67 - Step 4: Simplify right side
227,092,701.09x = 38,443,504,369,491,520 - Step 5: Solve for x
x = 38,443,504,369,491,520/227,092,701.09 - Step 6: Final answer
x = 169,285,512.85
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1.5x scale
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.