Finding the Fourth Proportional to 66,323,588.13, 91,522,816.68 and 36,554,145.97
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Solution
The fourth proportional to 66,323,588.13, 91,522,816.68 and 36,554,145.97 is: 50,442,662.93
Step by Step Solution
- Step 1: Write the proportion equation
66,323,588.13 : 91,522,816.68 = 36,554,145.97 : x - Step 2: Convert to fraction form
66,323,588.13/91,522,816.68 = 36,554,145.97/x - Step 3: Cross multiply
66,323,588.13x = 91,522,816.68 × 36,554,145.97 - Step 4: Simplify right side
66,323,588.13x = 3,345,538,400,277,812.50 - Step 5: Solve for x
x = 3,345,538,400,277,812.50/66,323,588.13 - Step 6: Final answer
x = 50,442,662.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.