Finding the Fourth Proportional to 36,757,074.80, 55,135,612.20 and 36,190,204.40
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Solution
The fourth proportional to 36,757,074.80, 55,135,612.20 and 36,190,204.40 is: 54,285,306.60
Step by Step Solution
- Step 1: Write the proportion equation
36,757,074.80 : 55,135,612.20 = 36,190,204.40 : x - Step 2: Convert to fraction form
36,757,074.80/55,135,612.20 = 36,190,204.40/x - Step 3: Cross multiply
36,757,074.80x = 55,135,612.20 × 36,190,204.40 - Step 4: Simplify right side
36,757,074.80x = 1,995,369,075,237,133.75 - Step 5: Solve for x
x = 1,995,369,075,237,133.75/36,757,074.80 - Step 6: Final answer
x = 54,285,306.60
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1.5x scale
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.