Finding the Fourth Proportional to 125,634,949.44, 188,452,437.12 and 39,373,344.96
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Solution
The fourth proportional to 125,634,949.44, 188,452,437.12 and 39,373,344.96 is: 59,060,021.50
Step by Step Solution
- Step 1: Write the proportion equation
125,634,949.44 : 188,452,437.12 = 39,373,344.96 : x - Step 2: Convert to fraction form
125,634,949.44/188,452,437.12 = 39,373,344.96/x - Step 3: Cross multiply
125,634,949.44x = 188,452,437.12 × 39,373,344.96 - Step 4: Simplify right side
125,634,949.44x = 7,420,002,815,278,469 - Step 5: Solve for x
x = 7,420,002,815,278,469/125,634,949.44 - Step 6: Final answer
x = 59,060,021.50
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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.