Finding the Fourth Proportional to 84,574,464.30, 126,861,696.45 and 82,448,700.30
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Solution
The fourth proportional to 84,574,464.30, 126,861,696.45 and 82,448,700.30 is: 123,673,050.45
Step by Step Solution
- Step 1: Write the proportion equation
84,574,464.30 : 126,861,696.45 = 82,448,700.30 : x - Step 2: Convert to fraction form
84,574,464.30/126,861,696.45 = 82,448,700.30/x - Step 3: Cross multiply
84,574,464.30x = 126,861,696.45 × 82,448,700.30 - Step 4: Simplify right side
84,574,464.30x = 10,459,581,990,155,624 - Step 5: Solve for x
x = 10,459,581,990,155,624/84,574,464.30 - Step 6: Final answer
x = 123,673,050.45
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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.