Finding the Fourth Proportional to 277,691,135.87, 383,216,878.70 and 158,629,489.01
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Solution
The fourth proportional to 277,691,135.87, 383,216,878.70 and 158,629,489.01 is: 218,910,472.09
Step by Step Solution
- Step 1: Write the proportion equation
277,691,135.87 : 383,216,878.70 = 158,629,489.01 : x - Step 2: Convert to fraction form
277,691,135.87/383,216,878.70 = 158,629,489.01/x - Step 3: Cross multiply
277,691,135.87x = 383,216,878.70 × 158,629,489.01 - Step 4: Simplify right side
277,691,135.87x = 60,789,497,647,395,000 - Step 5: Solve for x
x = 60,789,497,647,395,000/277,691,135.87 - Step 6: Final answer
x = 218,910,472.09
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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.