Finding the Fourth Proportional to 82,378,192.14, 113,674,391.81 and 48,881,899.55
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Solution
The fourth proportional to 82,378,192.14, 113,674,391.81 and 48,881,899.55 is: 67,452,563.08
Step by Step Solution
- Step 1: Write the proportion equation
82,378,192.14 : 113,674,391.81 = 48,881,899.55 : x - Step 2: Convert to fraction form
82,378,192.14/113,674,391.81 = 48,881,899.55/x - Step 3: Cross multiply
82,378,192.14x = 113,674,391.81 × 48,881,899.55 - Step 4: Simplify right side
82,378,192.14x = 5,556,620,201,767,080 - Step 5: Solve for x
x = 5,556,620,201,767,080/82,378,192.14 - Step 6: Final answer
x = 67,452,563.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.