Finding the Fourth Proportional to 146,239,827.27, 201,693,288.09 and 128,560,929.67
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Solution
The fourth proportional to 146,239,827.27, 201,693,288.09 and 128,560,929.67 is: 177,310,634.94
Step by Step Solution
- Step 1: Write the proportion equation
146,239,827.27 : 201,693,288.09 = 128,560,929.67 : x - Step 2: Convert to fraction form
146,239,827.27/201,693,288.09 = 128,560,929.67/x - Step 3: Cross multiply
146,239,827.27x = 201,693,288.09 × 128,560,929.67 - Step 4: Simplify right side
146,239,827.27x = 25,929,876,625,783,760 - Step 5: Solve for x
x = 25,929,876,625,783,760/146,239,827.27 - Step 6: Final answer
x = 177,310,634.94
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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.