Finding the Fourth Proportional to 217,735,382.70, 325,847,246.85 and 199,595,529.90
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Solution
The fourth proportional to 217,735,382.70, 325,847,246.85 and 199,595,529.90 is: 298,700,436.72
Step by Step Solution
- Step 1: Write the proportion equation
217,735,382.70 : 325,847,246.85 = 199,595,529.90 : x - Step 2: Convert to fraction form
217,735,382.70/325,847,246.85 = 199,595,529.90/x - Step 3: Cross multiply
217,735,382.70x = 325,847,246.85 × 199,595,529.90 - Step 4: Simplify right side
217,735,382.70x = 65,037,653,901,481,864 - Step 5: Solve for x
x = 65,037,653,901,481,864/217,735,382.70 - Step 6: Final answer
x = 298,700,436.72
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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.