Finding the Fourth Proportional to 22,335,135.30, 31,311,704.70 and 22,335,135.30
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Solution
The fourth proportional to 22,335,135.30, 31,311,704.70 and 22,335,135.30 is: 31,311,704.70
Step by Step Solution
- Step 1: Write the proportion equation
22,335,135.30 : 31,311,704.70 = 22,335,135.30 : x - Step 2: Convert to fraction form
22,335,135.30/31,311,704.70 = 22,335,135.30/x - Step 3: Cross multiply
22,335,135.30x = 31,311,704.70 × 22,335,135.30 - Step 4: Simplify right side
22,335,135.30x = 699,351,160,948,145.88 - Step 5: Solve for x
x = 699,351,160,948,145.88/22,335,135.30 - Step 6: Final answer
x = 31,311,704.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.