Finding the Fourth Proportional to 235,765,225.80, 353,647,838.70 and 106,434,793.80
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Solution
The fourth proportional to 235,765,225.80, 353,647,838.70 and 106,434,793.80 is: 159,652,190.70
Step by Step Solution
- Step 1: Write the proportion equation
235,765,225.80 : 353,647,838.70 = 106,434,793.80 : x - Step 2: Convert to fraction form
235,765,225.80/353,647,838.70 = 106,434,793.80/x - Step 3: Cross multiply
235,765,225.80x = 353,647,838.70 × 106,434,793.80 - Step 4: Simplify right side
235,765,225.80x = 37,640,434,789,850,160 - Step 5: Solve for x
x = 37,640,434,789,850,160/235,765,225.80 - Step 6: Final answer
x = 159,652,190.70
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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.