Finding the Fourth Proportional to 312,545,702.05, 431,273,310.73 and 178,592,281.68
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Solution
The fourth proportional to 312,545,702.05, 431,273,310.73 and 178,592,281.68 is: 246,434,630.48
Step by Step Solution
- Step 1: Write the proportion equation
312,545,702.05 : 431,273,310.73 = 178,592,281.68 : x - Step 2: Convert to fraction form
312,545,702.05/431,273,310.73 = 178,592,281.68/x - Step 3: Cross multiply
312,545,702.05x = 431,273,310.73 × 178,592,281.68 - Step 4: Simplify right side
312,545,702.05x = 77,022,084,593,345,328 - Step 5: Solve for x
x = 77,022,084,593,345,328/312,545,702.05 - Step 6: Final answer
x = 246,434,630.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.