Finding the Fourth Proportional to 55,493,968.70, 76,576,487.90 and 33,162,523.09
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Solution
The fourth proportional to 55,493,968.70, 76,576,487.90 and 33,162,523.09 is: 45,761,181.04
Step by Step Solution
- Step 1: Write the proportion equation
55,493,968.70 : 76,576,487.90 = 33,162,523.09 : x - Step 2: Convert to fraction form
55,493,968.70/76,576,487.90 = 33,162,523.09/x - Step 3: Cross multiply
55,493,968.70x = 76,576,487.90 × 33,162,523.09 - Step 4: Simplify right side
55,493,968.70x = 2,539,469,548,226,233 - Step 5: Solve for x
x = 2,539,469,548,226,233/55,493,968.70 - Step 6: Final answer
x = 45,761,181.04
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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.