Finding the Fourth Proportional to 82,511,449.31, 113,869,342.99 and 45,842,020.31
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Solution
The fourth proportional to 82,511,449.31, 113,869,342.99 and 45,842,020.31 is: 63,263,956.43
Step by Step Solution
- Step 1: Write the proportion equation
82,511,449.31 : 113,869,342.99 = 45,842,020.31 : x - Step 2: Convert to fraction form
82,511,449.31/113,869,342.99 = 45,842,020.31/x - Step 3: Cross multiply
82,511,449.31x = 113,869,342.99 × 45,842,020.31 - Step 4: Simplify right side
82,511,449.31x = 5,220,000,734,375,912 - Step 5: Solve for x
x = 5,220,000,734,375,912/82,511,449.31 - Step 6: Final answer
x = 63,263,956.43
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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.