Finding the Fourth Proportional to 82,618,105.68, 114,012,355.68 and 45,447,585.84
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Solution
The fourth proportional to 82,618,105.68, 114,012,355.68 and 45,447,585.84 is: 62,717,321.81
Step by Step Solution
- Step 1: Write the proportion equation
82,618,105.68 : 114,012,355.68 = 45,447,585.84 : x - Step 2: Convert to fraction form
82,618,105.68/114,012,355.68 = 45,447,585.84/x - Step 3: Cross multiply
82,618,105.68x = 114,012,355.68 × 45,447,585.84 - Step 4: Simplify right side
82,618,105.68x = 5,181,586,321,587,412 - Step 5: Solve for x
x = 5,181,586,321,587,412/82,618,105.68 - Step 6: Final answer
x = 62,717,321.81
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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.