Finding the Fourth Proportional to 37,135,843.80, 55,703,765.70 and 25,798,435.80
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Solution
The fourth proportional to 37,135,843.80, 55,703,765.70 and 25,798,435.80 is: 38,697,653.70
Step by Step Solution
- Step 1: Write the proportion equation
37,135,843.80 : 55,703,765.70 = 25,798,435.80 : x - Step 2: Convert to fraction form
37,135,843.80/55,703,765.70 = 25,798,435.80/x - Step 3: Cross multiply
37,135,843.80x = 55,703,765.70 × 25,798,435.80 - Step 4: Simplify right side
37,135,843.80x = 1,437,070,023,229,692.25 - Step 5: Solve for x
x = 1,437,070,023,229,692.25/37,135,843.80 - Step 6: Final answer
x = 38,697,653.70
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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.