Finding the Fourth Proportional to 79,950,067.87, 119,578,896.97 and 47,082,289.62
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Solution
The fourth proportional to 79,950,067.87, 119,578,896.97 and 47,082,289.62 is: 70,419,555.73
Step by Step Solution
- Step 1: Write the proportion equation
79,950,067.87 : 119,578,896.97 = 47,082,289.62 : x - Step 2: Convert to fraction form
79,950,067.87/119,578,896.97 = 47,082,289.62/x - Step 3: Cross multiply
79,950,067.87x = 119,578,896.97 × 47,082,289.62 - Step 4: Simplify right side
79,950,067.87x = 5,630,048,259,728,577 - Step 5: Solve for x
x = 5,630,048,259,728,577/79,950,067.87 - Step 6: Final answer
x = 70,419,555.73
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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.