Finding the Fourth Proportional to 82,939,063.40, 124,394,416.84 and 22,340,617.64
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Solution
The fourth proportional to 82,939,063.40, 124,394,416.84 and 22,340,617.64 is: 33,507,107.38
Step by Step Solution
- Step 1: Write the proportion equation
82,939,063.40 : 124,394,416.84 = 22,340,617.64 : x - Step 2: Convert to fraction form
82,939,063.40/124,394,416.84 = 22,340,617.64/x - Step 3: Cross multiply
82,939,063.40x = 124,394,416.84 × 22,340,617.64 - Step 4: Simplify right side
82,939,063.40x = 2,779,048,103,173,217 - Step 5: Solve for x
x = 2,779,048,103,173,217/82,939,063.40 - Step 6: Final answer
x = 33,507,107.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.