Finding the Fourth Proportional to 207,599,108.10, 311,375,042.55 and 54,260,664.90
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Solution
The fourth proportional to 207,599,108.10, 311,375,042.55 and 54,260,664.90 is: 81,384,823.84
Step by Step Solution
- Step 1: Write the proportion equation
207,599,108.10 : 311,375,042.55 = 54,260,664.90 : x - Step 2: Convert to fraction form
207,599,108.10/311,375,042.55 = 54,260,664.90/x - Step 3: Cross multiply
207,599,108.10x = 311,375,042.55 × 54,260,664.90 - Step 4: Simplify right side
207,599,108.10x = 16,895,416,842,028,792 - Step 5: Solve for x
x = 16,895,416,842,028,792/207,599,108.10 - Step 6: Final answer
x = 81,384,823.84
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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.