Finding the Fourth Proportional to 54,342,299.98, 74,992,861.56 and 29,563,027.84
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Solution
The fourth proportional to 54,342,299.98, 74,992,861.56 and 29,563,027.84 is: 40,797,243.67
Step by Step Solution
- Step 1: Write the proportion equation
54,342,299.98 : 74,992,861.56 = 29,563,027.84 : x - Step 2: Convert to fraction form
54,342,299.98/74,992,861.56 = 29,563,027.84/x - Step 3: Cross multiply
54,342,299.98x = 74,992,861.56 × 29,563,027.84 - Step 4: Simplify right side
54,342,299.98x = 2,217,016,054,099,546 - Step 5: Solve for x
x = 2,217,016,054,099,546/54,342,299.98 - Step 6: Final answer
x = 40,797,243.67
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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.