Finding the Fourth Proportional to 82,318,841.28, 123,489,997.62 and 26,974,837.98
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Solution
The fourth proportional to 82,318,841.28, 123,489,997.62 and 26,974,837.98 is: 40,466,102.61
Step by Step Solution
- Step 1: Write the proportion equation
82,318,841.28 : 123,489,997.62 = 26,974,837.98 : x - Step 2: Convert to fraction form
82,318,841.28/123,489,997.62 = 26,974,837.98/x - Step 3: Cross multiply
82,318,841.28x = 123,489,997.62 × 26,974,837.98 - Step 4: Simplify right side
82,318,841.28x = 3,331,122,677,950,086 - Step 5: Solve for x
x = 3,331,122,677,950,086/82,318,841.28 - Step 6: Final answer
x = 40,466,102.61
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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.