Finding the Fourth Proportional to 82,236,022.68, 113,485,844.49 and 45,060,396.12
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Solution
The fourth proportional to 82,236,022.68, 113,485,844.49 and 45,060,396.12 is: 62,183,419.63
Step by Step Solution
- Step 1: Write the proportion equation
82,236,022.68 : 113,485,844.49 = 45,060,396.12 : x - Step 2: Convert to fraction form
82,236,022.68/113,485,844.49 = 45,060,396.12/x - Step 3: Cross multiply
82,236,022.68x = 113,485,844.49 × 45,060,396.12 - Step 4: Simplify right side
82,236,022.68x = 5,113,717,106,732,119 - Step 5: Solve for x
x = 5,113,717,106,732,119/82,236,022.68 - Step 6: Final answer
x = 62,183,419.63
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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.