Finding the Fourth Proportional to 66,568,035.20, 99,684,091.20 and 53,131,107.20
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Solution
The fourth proportional to 66,568,035.20, 99,684,091.20 and 53,131,107.20 is: 79,562,602.68
Step by Step Solution
- Step 1: Write the proportion equation
66,568,035.20 : 99,684,091.20 = 53,131,107.20 : x - Step 2: Convert to fraction form
66,568,035.20/99,684,091.20 = 53,131,107.20/x - Step 3: Cross multiply
66,568,035.20x = 99,684,091.20 × 53,131,107.20 - Step 4: Simplify right side
66,568,035.20x = 5,296,326,135,681,777 - Step 5: Solve for x
x = 5,296,326,135,681,777/66,568,035.20 - Step 6: Final answer
x = 79,562,602.68
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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.