Finding the Fourth Proportional to 66,211,896.70, 99,317,845.05 and 18,342,840.70
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Solution
The fourth proportional to 66,211,896.70, 99,317,845.05 and 18,342,840.70 is: 27,514,261.05
Step by Step Solution
- Step 1: Write the proportion equation
66,211,896.70 : 99,317,845.05 = 18,342,840.70 : x - Step 2: Convert to fraction form
66,211,896.70/99,317,845.05 = 18,342,840.70/x - Step 3: Cross multiply
66,211,896.70x = 99,317,845.05 × 18,342,840.70 - Step 4: Simplify right side
66,211,896.70x = 1,821,771,410,419,433.50 - Step 5: Solve for x
x = 1,821,771,410,419,433.50/66,211,896.70 - Step 6: Final answer
x = 27,514,261.05
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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.