Finding the Fourth Proportional to 66,322,232.52, 91,525,035.78 and 38,062,351.99
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Solution
The fourth proportional to 66,322,232.52, 91,525,035.78 and 38,062,351.99 is: 52,526,249.42
Step by Step Solution
- Step 1: Write the proportion equation
66,322,232.52 : 91,525,035.78 = 38,062,351.99 : x - Step 2: Convert to fraction form
66,322,232.52/91,525,035.78 = 38,062,351.99/x - Step 3: Cross multiply
66,322,232.52x = 91,525,035.78 × 38,062,351.99 - Step 4: Simplify right side
66,322,232.52x = 3,483,658,127,755,704.50 - Step 5: Solve for x
x = 3,483,658,127,755,704.50/66,322,232.52 - Step 6: Final answer
x = 52,526,249.42
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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.