Finding the Fourth Proportional to 53,969,239.76, 74,477,648.79 and 29,522,953.76
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Solution
The fourth proportional to 53,969,239.76, 74,477,648.79 and 29,522,953.76 is: 40,741,729.75
Step by Step Solution
- Step 1: Write the proportion equation
53,969,239.76 : 74,477,648.79 = 29,522,953.76 : x - Step 2: Convert to fraction form
53,969,239.76/74,477,648.79 = 29,522,953.76/x - Step 3: Cross multiply
53,969,239.76x = 74,477,648.79 × 29,522,953.76 - Step 4: Simplify right side
53,969,239.76x = 2,198,800,181,380,690.25 - Step 5: Solve for x
x = 2,198,800,181,380,690.25/53,969,239.76 - Step 6: Final answer
x = 40,741,729.75
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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.