Finding the Fourth Proportional to 82,944,125.60, 124,416,188.40 and 58,757,655.20
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Solution
The fourth proportional to 82,944,125.60, 124,416,188.40 and 58,757,655.20 is: 88,136,482.80
Step by Step Solution
- Step 1: Write the proportion equation
82,944,125.60 : 124,416,188.40 = 58,757,655.20 : x - Step 2: Convert to fraction form
82,944,125.60/124,416,188.40 = 58,757,655.20/x - Step 3: Cross multiply
82,944,125.60x = 124,416,188.40 × 58,757,655.20 - Step 4: Simplify right side
82,944,125.60x = 7,310,403,499,305,440 - Step 5: Solve for x
x = 7,310,403,499,305,440/82,944,125.60 - Step 6: Final answer
x = 88,136,482.80
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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.