Finding the Fourth Proportional to 99,647,579.70, 149,471,369.55 and 27,843,995.70
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Solution
The fourth proportional to 99,647,579.70, 149,471,369.55 and 27,843,995.70 is: 41,765,993.55
Step by Step Solution
- Step 1: Write the proportion equation
99,647,579.70 : 149,471,369.55 = 27,843,995.70 : x - Step 2: Convert to fraction form
99,647,579.70/149,471,369.55 = 27,843,995.70/x - Step 3: Cross multiply
99,647,579.70x = 149,471,369.55 × 27,843,995.70 - Step 4: Simplify right side
99,647,579.70x = 4,161,880,171,023,311 - Step 5: Solve for x
x = 4,161,880,171,023,311/99,647,579.70 - Step 6: Final answer
x = 41,765,993.55
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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.