Finding the Fourth Proportional to 295,274,743.80, 442,912,115.70 and 123,087,859.80
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Solution
The fourth proportional to 295,274,743.80, 442,912,115.70 and 123,087,859.80 is: 184,631,789.70
Step by Step Solution
- Step 1: Write the proportion equation
295,274,743.80 : 442,912,115.70 = 123,087,859.80 : x - Step 2: Convert to fraction form
295,274,743.80/442,912,115.70 = 123,087,859.80/x - Step 3: Cross multiply
295,274,743.80x = 442,912,115.70 × 123,087,859.80 - Step 4: Simplify right side
295,274,743.80x = 54,517,104,401,002,976 - Step 5: Solve for x
x = 54,517,104,401,002,976/295,274,743.80 - Step 6: Final answer
x = 184,631,789.70
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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.