Finding the Fourth Proportional to 449,172,080.70, 673,758,121.05 and 108,769,904.70
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Solution
The fourth proportional to 449,172,080.70, 673,758,121.05 and 108,769,904.70 is: 163,154,857.05
Step by Step Solution
- Step 1: Write the proportion equation
449,172,080.70 : 673,758,121.05 = 108,769,904.70 : x - Step 2: Convert to fraction form
449,172,080.70/673,758,121.05 = 108,769,904.70/x - Step 3: Cross multiply
449,172,080.70x = 673,758,121.05 × 108,769,904.70 - Step 4: Simplify right side
449,172,080.70x = 73,284,606,617,459,568 - Step 5: Solve for x
x = 73,284,606,617,459,568/449,172,080.70 - Step 6: Final answer
x = 163,154,857.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.