Finding the Fourth Proportional to 82,932,533.80, 124,398,800.70 and 36,874,313.80
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Solution
The fourth proportional to 82,932,533.80, 124,398,800.70 and 36,874,313.80 is: 55,311,470.70
Step by Step Solution
- Step 1: Write the proportion equation
82,932,533.80 : 124,398,800.70 = 36,874,313.80 : x - Step 2: Convert to fraction form
82,932,533.80/124,398,800.70 = 36,874,313.80/x - Step 3: Cross multiply
82,932,533.80x = 124,398,800.70 × 36,874,313.80 - Step 4: Simplify right side
82,932,533.80x = 4,587,120,413,355,459 - Step 5: Solve for x
x = 4,587,120,413,355,459/82,932,533.80 - Step 6: Final answer
x = 55,311,470.70
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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.