Finding the Fourth Proportional to 135,629,134.97, 203,187,694.46 and 80,131,372.61
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Solution
The fourth proportional to 135,629,134.97, 203,187,694.46 and 80,131,372.61 is: 120,045,806.22
Step by Step Solution
- Step 1: Write the proportion equation
135,629,134.97 : 203,187,694.46 = 80,131,372.61 : x - Step 2: Convert to fraction form
135,629,134.97/203,187,694.46 = 80,131,372.61/x - Step 3: Cross multiply
135,629,134.97x = 203,187,694.46 × 80,131,372.61 - Step 4: Simplify right side
135,629,134.97x = 16,281,708,853,124,500 - Step 5: Solve for x
x = 16,281,708,853,124,500/135,629,134.97 - Step 6: Final answer
x = 120,045,806.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.