Finding the Fourth Proportional to 82,901,423.60, 124,352,135.40 and 65,582,716.40
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Solution
The fourth proportional to 82,901,423.60, 124,352,135.40 and 65,582,716.40 is: 98,374,074.60
Step by Step Solution
- Step 1: Write the proportion equation
82,901,423.60 : 124,352,135.40 = 65,582,716.40 : x - Step 2: Convert to fraction form
82,901,423.60/124,352,135.40 = 65,582,716.40/x - Step 3: Cross multiply
82,901,423.60x = 124,352,135.40 × 65,582,716.40 - Step 4: Simplify right side
82,901,423.60x = 8,155,350,829,672,601 - Step 5: Solve for x
x = 8,155,350,829,672,601/82,901,423.60 - Step 6: Final answer
x = 98,374,074.60
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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.