Finding the Fourth Proportional to 82,870,451.60, 114,324,943.48 and 79,028,330
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Solution
The fourth proportional to 82,870,451.60, 114,324,943.48 and 79,028,330 is: 109,024,497.71
Step by Step Solution
- Step 1: Write the proportion equation
82,870,451.60 : 114,324,943.48 = 79,028,330 : x - Step 2: Convert to fraction form
82,870,451.60/114,324,943.48 = 79,028,330/x - Step 3: Cross multiply
82,870,451.60x = 114,324,943.48 × 79,028,330 - Step 4: Simplify right side
82,870,451.60x = 9,034,909,360,568,788 - Step 5: Solve for x
x = 9,034,909,360,568,788/82,870,451.60 - Step 6: Final answer
x = 109,024,497.71
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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.