Finding the Fourth Proportional to 225,986,227.20, 338,979,340.80 and 174,967,891.20
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Solution
The fourth proportional to 225,986,227.20, 338,979,340.80 and 174,967,891.20 is: 262,451,836.80
Step by Step Solution
- Step 1: Write the proportion equation
225,986,227.20 : 338,979,340.80 = 174,967,891.20 : x - Step 2: Convert to fraction form
225,986,227.20/338,979,340.80 = 174,967,891.20/x - Step 3: Cross multiply
225,986,227.20x = 338,979,340.80 × 174,967,891.20 - Step 4: Simplify right side
225,986,227.20x = 59,310,500,420,142,120 - Step 5: Solve for x
x = 59,310,500,420,142,120/225,986,227.20 - Step 6: Final answer
x = 262,451,836.80
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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.