Finding the Fourth Proportional to 192,391,490.53, 265,503,658.85 and 104,288,414.05
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Solution
The fourth proportional to 192,391,490.53, 265,503,658.85 and 104,288,414.05 is: 143,919,855.45
Step by Step Solution
- Step 1: Write the proportion equation
192,391,490.53 : 265,503,658.85 = 104,288,414.05 : x - Step 2: Convert to fraction form
192,391,490.53/265,503,658.85 = 104,288,414.05/x - Step 3: Cross multiply
192,391,490.53x = 265,503,658.85 × 104,288,414.05 - Step 4: Simplify right side
192,391,490.53x = 27,688,955,505,938,744 - Step 5: Solve for x
x = 27,688,955,505,938,744/192,391,490.53 - Step 6: Final answer
x = 143,919,855.45
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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.