Finding the Fourth Proportional to 269,063,261.20, 403,594,891.80 and 87,310,439.20
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Solution
The fourth proportional to 269,063,261.20, 403,594,891.80 and 87,310,439.20 is: 130,965,658.80
Step by Step Solution
- Step 1: Write the proportion equation
269,063,261.20 : 403,594,891.80 = 87,310,439.20 : x - Step 2: Convert to fraction form
269,063,261.20/403,594,891.80 = 87,310,439.20/x - Step 3: Cross multiply
269,063,261.20x = 403,594,891.80 × 87,310,439.20 - Step 4: Simplify right side
269,063,261.20x = 35,238,047,261,934,480 - Step 5: Solve for x
x = 35,238,047,261,934,480/269,063,261.20 - Step 6: Final answer
x = 130,965,658.80
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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.