Finding the Fourth Proportional to 74,946,399.26, 103,394,357.88 and 50,174,556.44
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Solution
The fourth proportional to 74,946,399.26, 103,394,357.88 and 50,174,556.44 is: 69,219,683.62
Step by Step Solution
- Step 1: Write the proportion equation
74,946,399.26 : 103,394,357.88 = 50,174,556.44 : x - Step 2: Convert to fraction form
74,946,399.26/103,394,357.88 = 50,174,556.44/x - Step 3: Cross multiply
74,946,399.26x = 103,394,357.88 × 50,174,556.44 - Step 4: Simplify right side
74,946,399.26x = 5,187,766,045,027,618 - Step 5: Solve for x
x = 5,187,766,045,027,618/74,946,399.26 - Step 6: Final answer
x = 69,219,683.62
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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.