Finding the Fourth Proportional to 90,080,324.56, 124,310,728.92 and 48,827,206
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Solution
The fourth proportional to 90,080,324.56, 124,310,728.92 and 48,827,206 is: 67,381,479.79
Step by Step Solution
- Step 1: Write the proportion equation
90,080,324.56 : 124,310,728.92 = 48,827,206 : x - Step 2: Convert to fraction form
90,080,324.56/124,310,728.92 = 48,827,206/x - Step 3: Cross multiply
90,080,324.56x = 124,310,728.92 × 48,827,206 - Step 4: Simplify right side
90,080,324.56x = 6,069,745,568,986,998 - Step 5: Solve for x
x = 6,069,745,568,986,998/90,080,324.56 - Step 6: Final answer
x = 67,381,479.79
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1.5x scale
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.