Finding the Fourth Proportional to 71,740,481.53, 98,977,185.44 and 43,491,964.81
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Solution
The fourth proportional to 71,740,481.53, 98,977,185.44 and 43,491,964.81 is: 60,003,949.99
Step by Step Solution
- Step 1: Write the proportion equation
71,740,481.53 : 98,977,185.44 = 43,491,964.81 : x - Step 2: Convert to fraction form
71,740,481.53/98,977,185.44 = 43,491,964.81/x - Step 3: Cross multiply
71,740,481.53x = 98,977,185.44 × 43,491,964.81 - Step 4: Simplify right side
71,740,481.53x = 4,304,712,266,188,806.50 - Step 5: Solve for x
x = 4,304,712,266,188,806.50/71,740,481.53 - Step 6: Final answer
x = 60,003,949.99
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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.