Finding the Fourth Proportional to 82,999,720.80, 124,518,243.60 and 25,494,645.60
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Solution
The fourth proportional to 82,999,720.80, 124,518,243.60 and 25,494,645.60 is: 38,247,700.84
Step by Step Solution
- Step 1: Write the proportion equation
82,999,720.80 : 124,518,243.60 = 25,494,645.60 : x - Step 2: Convert to fraction form
82,999,720.80/124,518,243.60 = 25,494,645.60/x - Step 3: Cross multiply
82,999,720.80x = 124,518,243.60 × 25,494,645.60 - Step 4: Simplify right side
82,999,720.80x = 3,174,548,491,316,468 - Step 5: Solve for x
x = 3,174,548,491,316,468/82,999,720.80 - Step 6: Final answer
x = 38,247,700.84
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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.