Finding the Fourth Proportional to 268,379,304.36, 402,524,105.88 and 74,310,336.96
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Solution
The fourth proportional to 268,379,304.36, 402,524,105.88 and 74,310,336.96 is: 111,453,086.94
Step by Step Solution
- Step 1: Write the proportion equation
268,379,304.36 : 402,524,105.88 = 74,310,336.96 : x - Step 2: Convert to fraction form
268,379,304.36/402,524,105.88 = 74,310,336.96/x - Step 3: Cross multiply
268,379,304.36x = 402,524,105.88 × 74,310,336.96 - Step 4: Simplify right side
268,379,304.36x = 29,911,701,942,465,516 - Step 5: Solve for x
x = 29,911,701,942,465,516/268,379,304.36 - Step 6: Final answer
x = 111,453,086.94
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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.