Finding the Fourth Proportional to 209,088,251.40, 313,632,377.10 and 201,152,065.80
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Solution
The fourth proportional to 209,088,251.40, 313,632,377.10 and 201,152,065.80 is: 301,728,098.70
Step by Step Solution
- Step 1: Write the proportion equation
209,088,251.40 : 313,632,377.10 = 201,152,065.80 : x - Step 2: Convert to fraction form
209,088,251.40/313,632,377.10 = 201,152,065.80/x - Step 3: Cross multiply
209,088,251.40x = 313,632,377.10 × 201,152,065.80 - Step 4: Simplify right side
209,088,251.40x = 63,087,800,555,429,624 - Step 5: Solve for x
x = 63,087,800,555,429,624/209,088,251.40 - Step 6: Final answer
x = 301,728,098.70
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1.5x scale
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.