Finding the Fourth Proportional to 119,556,163.20, 179,050,809.60 and 119,556,163.20
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Solution
The fourth proportional to 119,556,163.20, 179,050,809.60 and 119,556,163.20 is: 179,050,809.60
Step by Step Solution
- Step 1: Write the proportion equation
119,556,163.20 : 179,050,809.60 = 119,556,163.20 : x - Step 2: Convert to fraction form
119,556,163.20/179,050,809.60 = 119,556,163.20/x - Step 3: Cross multiply
119,556,163.20x = 179,050,809.60 × 119,556,163.20 - Step 4: Simplify right side
119,556,163.20x = 21,406,627,813,629,728 - Step 5: Solve for x
x = 21,406,627,813,629,728/119,556,163.20 - Step 6: Final answer
x = 179,050,809.60
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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.