Finding the Fourth Proportional to 82,879,749.20, 124,080,475.35 and 73,313,811.20
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Solution
The fourth proportional to 82,879,749.20, 124,080,475.35 and 73,313,811.20 is: 109,759,170.74
Step by Step Solution
- Step 1: Write the proportion equation
82,879,749.20 : 124,080,475.35 = 73,313,811.20 : x - Step 2: Convert to fraction form
82,879,749.20/124,080,475.35 = 73,313,811.20/x - Step 3: Cross multiply
82,879,749.20x = 124,080,475.35 × 73,313,811.20 - Step 4: Simplify right side
82,879,749.20x = 9,096,812,543,416,154 - Step 5: Solve for x
x = 9,096,812,543,416,154/82,879,749.20 - Step 6: Final answer
x = 109,759,170.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.