Finding the Fourth Proportional to 88,212,434.40, 132,318,651.60 and 84,244,341.60
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Solution
The fourth proportional to 88,212,434.40, 132,318,651.60 and 84,244,341.60 is: 126,366,512.40
Step by Step Solution
- Step 1: Write the proportion equation
88,212,434.40 : 132,318,651.60 = 84,244,341.60 : x - Step 2: Convert to fraction form
88,212,434.40/132,318,651.60 = 84,244,341.60/x - Step 3: Cross multiply
88,212,434.40x = 132,318,651.60 × 84,244,341.60 - Step 4: Simplify right side
88,212,434.40x = 11,147,097,685,441,786 - Step 5: Solve for x
x = 11,147,097,685,441,786/88,212,434.40 - Step 6: Final answer
x = 126,366,512.40
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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.