Finding the Fourth Proportional to 53,180,202.66, 73,394,322.33 and 31,172,192.84
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Solution
The fourth proportional to 53,180,202.66, 73,394,322.33 and 31,172,192.84 is: 43,020,933.62
Step by Step Solution
- Step 1: Write the proportion equation
53,180,202.66 : 73,394,322.33 = 31,172,192.84 : x - Step 2: Convert to fraction form
53,180,202.66/73,394,322.33 = 31,172,192.84/x - Step 3: Cross multiply
53,180,202.66x = 73,394,322.33 × 31,172,192.84 - Step 4: Simplify right side
53,180,202.66x = 2,287,861,968,664,906.50 - Step 5: Solve for x
x = 2,287,861,968,664,906.50/53,180,202.66 - Step 6: Final answer
x = 43,020,933.62
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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.