Finding the Fourth Proportional to 207,451,385.70, 311,177,078.55 and 195,547,107.30
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Solution
The fourth proportional to 207,451,385.70, 311,177,078.55 and 195,547,107.30 is: 293,320,660.95
Step by Step Solution
- Step 1: Write the proportion equation
207,451,385.70 : 311,177,078.55 = 195,547,107.30 : x - Step 2: Convert to fraction form
207,451,385.70/311,177,078.55 = 195,547,107.30/x - Step 3: Cross multiply
207,451,385.70x = 311,177,078.55 × 195,547,107.30 - Step 4: Simplify right side
207,451,385.70x = 60,849,777,568,517,384 - Step 5: Solve for x
x = 60,849,777,568,517,384/207,451,385.70 - Step 6: Final answer
x = 293,320,660.95
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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.