Finding the Fourth Proportional to 135,640,645.40, 203,473,409.70 and 44,764,434.20
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Solution
The fourth proportional to 135,640,645.40, 203,473,409.70 and 44,764,434.20 is: 67,150,757.31
Step by Step Solution
- Step 1: Write the proportion equation
135,640,645.40 : 203,473,409.70 = 44,764,434.20 : x - Step 2: Convert to fraction form
135,640,645.40/203,473,409.70 = 44,764,434.20/x - Step 3: Cross multiply
135,640,645.40x = 203,473,409.70 × 44,764,434.20 - Step 4: Simplify right side
135,640,645.40x = 9,108,372,059,965,292 - Step 5: Solve for x
x = 9,108,372,059,965,292/135,640,645.40 - Step 6: Final answer
x = 67,150,757.31
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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.