Finding the Fourth Proportional to 82,879,792.95, 124,080,540.98 and 73,313,854.95
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Solution
The fourth proportional to 82,879,792.95, 124,080,540.98 and 73,313,854.95 is: 109,759,236.35
Step by Step Solution
- Step 1: Write the proportion equation
82,879,792.95 : 124,080,540.98 = 73,313,854.95 : x - Step 2: Convert to fraction form
82,879,792.95/124,080,540.98 = 73,313,854.95/x - Step 3: Cross multiply
82,879,792.95x = 124,080,540.98 × 73,313,854.95 - Step 4: Simplify right side
82,879,792.95x = 9,096,822,783,158,682 - Step 5: Solve for x
x = 9,096,822,783,158,682/82,879,792.95 - Step 6: Final answer
x = 109,759,236.35
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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.