Finding the Fourth Proportional to 227,008,639.10, 340,512,958.65 and 207,637,614.65
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Solution
The fourth proportional to 227,008,639.10, 340,512,958.65 and 207,637,614.65 is: 311,456,421.98
Step by Step Solution
- Step 1: Write the proportion equation
227,008,639.10 : 340,512,958.65 = 207,637,614.65 : x - Step 2: Convert to fraction form
227,008,639.10/340,512,958.65 = 207,637,614.65/x - Step 3: Cross multiply
227,008,639.10x = 340,512,958.65 × 207,637,614.65 - Step 4: Simplify right side
227,008,639.10x = 70,703,298,491,500,080 - Step 5: Solve for x
x = 70,703,298,491,500,080/227,008,639.10 - Step 6: Final answer
x = 311,456,421.98
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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.