Finding the Fourth Proportional to 99,647,595.20, 149,471,392.80 and 27,844,011.20
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Solution
The fourth proportional to 99,647,595.20, 149,471,392.80 and 27,844,011.20 is: 41,766,016.80
Step by Step Solution
- Step 1: Write the proportion equation
99,647,595.20 : 149,471,392.80 = 27,844,011.20 : x - Step 2: Convert to fraction form
99,647,595.20/149,471,392.80 = 27,844,011.20/x - Step 3: Cross multiply
99,647,595.20x = 149,471,392.80 × 27,844,011.20 - Step 4: Simplify right side
99,647,595.20x = 4,161,883,135,202,799.50 - Step 5: Solve for x
x = 4,161,883,135,202,799.50/99,647,595.20 - Step 6: Final answer
x = 41,766,016.80
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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.