Finding the Fourth Proportional to 82,944,090.60, 124,416,135.90 and 82,440,205.80
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Solution
The fourth proportional to 82,944,090.60, 124,416,135.90 and 82,440,205.80 is: 123,660,308.70
Step by Step Solution
- Step 1: Write the proportion equation
82,944,090.60 : 124,416,135.90 = 82,440,205.80 : x - Step 2: Convert to fraction form
82,944,090.60/124,416,135.90 = 82,440,205.80/x - Step 3: Cross multiply
82,944,090.60x = 124,416,135.90 × 82,440,205.80 - Step 4: Simplify right side
82,944,090.60x = 10,256,891,848,436,768 - Step 5: Solve for x
x = 10,256,891,848,436,768/82,944,090.60 - Step 6: Final answer
x = 123,660,308.70
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1.5x scale
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.