Finding the Fourth Proportional to 79,544,494.24, 109,821,834.96 and 54,468,565.60
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Solution
The fourth proportional to 79,544,494.24, 109,821,834.96 and 54,468,565.60 is: 75,201,154.76
Step by Step Solution
- Step 1: Write the proportion equation
79,544,494.24 : 109,821,834.96 = 54,468,565.60 : x - Step 2: Convert to fraction form
79,544,494.24/109,821,834.96 = 54,468,565.60/x - Step 3: Cross multiply
79,544,494.24x = 109,821,834.96 × 54,468,565.60 - Step 4: Simplify right side
79,544,494.24x = 5,981,837,821,831,133 - Step 5: Solve for x
x = 5,981,837,821,831,133/79,544,494.24 - Step 6: Final answer
x = 75,201,154.76
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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.