Finding the Fourth Proportional to 82,689,801.52, 124,025,245.44 and 22,110,251.44
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Solution
The fourth proportional to 82,689,801.52, 124,025,245.44 and 22,110,251.44 is: 33,162,848.52
Step by Step Solution
- Step 1: Write the proportion equation
82,689,801.52 : 124,025,245.44 = 22,110,251.44 : x - Step 2: Convert to fraction form
82,689,801.52/124,025,245.44 = 22,110,251.44/x - Step 3: Cross multiply
82,689,801.52x = 124,025,245.44 × 22,110,251.44 - Step 4: Simplify right side
82,689,801.52x = 2,742,229,361,586,113.50 - Step 5: Solve for x
x = 2,742,229,361,586,113.50/82,689,801.52 - Step 6: Final answer
x = 33,162,848.52
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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.