Finding the Fourth Proportional to 99,680,120.20, 149,284,250.70 and 67,593,694.60
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Solution
The fourth proportional to 99,680,120.20, 149,284,250.70 and 67,593,694.60 is: 101,230,556.61
Step by Step Solution
- Step 1: Write the proportion equation
99,680,120.20 : 149,284,250.70 = 67,593,694.60 : x - Step 2: Convert to fraction form
99,680,120.20/149,284,250.70 = 67,593,694.60/x - Step 3: Cross multiply
99,680,120.20x = 149,284,250.70 × 67,593,694.60 - Step 4: Simplify right side
99,680,120.20x = 10,090,674,050,405,634 - Step 5: Solve for x
x = 10,090,674,050,405,634/99,680,120.20 - Step 6: Final answer
x = 101,230,556.61
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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.