Finding the Fourth Proportional to 82,687,485.65, 114,110,181.38 and 45,011,732.99
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Solution
The fourth proportional to 82,687,485.65, 114,110,181.38 and 45,011,732.99 is: 62,116,981.49
Step by Step Solution
- Step 1: Write the proportion equation
82,687,485.65 : 114,110,181.38 = 45,011,732.99 : x - Step 2: Convert to fraction form
82,687,485.65/114,110,181.38 = 45,011,732.99/x - Step 3: Cross multiply
82,687,485.65x = 114,110,181.38 × 45,011,732.99 - Step 4: Simplify right side
82,687,485.65x = 5,136,297,015,491,971 - Step 5: Solve for x
x = 5,136,297,015,491,971/82,687,485.65 - Step 6: Final answer
x = 62,116,981.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.