Finding the Fourth Proportional to 82,706,079.74, 124,072,595.60 and 24,419,649.65
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Solution
The fourth proportional to 82,706,079.74, 124,072,595.60 and 24,419,649.65 is: 36,633,453.37
Step by Step Solution
- Step 1: Write the proportion equation
82,706,079.74 : 124,072,595.60 = 24,419,649.65 : x - Step 2: Convert to fraction form
82,706,079.74/124,072,595.60 = 24,419,649.65/x - Step 3: Cross multiply
82,706,079.74x = 124,072,595.60 × 24,419,649.65 - Step 4: Simplify right side
82,706,079.74x = 3,029,809,314,975,670 - Step 5: Solve for x
x = 3,029,809,314,975,670/82,706,079.74 - Step 6: Final answer
x = 36,633,453.37
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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.