Finding the Fourth Proportional to 82,507,125.30, 123,760,710.87 and 30,684,956.99
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Solution
The fourth proportional to 82,507,125.30, 123,760,710.87 and 30,684,956.99 is: 46,027,444.00
Step by Step Solution
- Step 1: Write the proportion equation
82,507,125.30 : 123,760,710.87 = 30,684,956.99 : x - Step 2: Convert to fraction form
82,507,125.30/123,760,710.87 = 30,684,956.99/x - Step 3: Cross multiply
82,507,125.30x = 123,760,710.87 × 30,684,956.99 - Step 4: Simplify right side
82,507,125.30x = 3,797,592,089,478,972 - Step 5: Solve for x
x = 3,797,592,089,478,972/82,507,125.30 - Step 6: Final answer
x = 46,027,444.00
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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.