Finding the Fourth Proportional to 53,981,590.92, 74,494,371.09 and 29,201,716.68
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Solution
The fourth proportional to 53,981,590.92, 74,494,371.09 and 29,201,716.68 is: 40,298,247.64
Step by Step Solution
- Step 1: Write the proportion equation
53,981,590.92 : 74,494,371.09 = 29,201,716.68 : x - Step 2: Convert to fraction form
53,981,590.92/74,494,371.09 = 29,201,716.68/x - Step 3: Cross multiply
53,981,590.92x = 74,494,371.09 × 29,201,716.68 - Step 4: Simplify right side
53,981,590.92x = 2,175,363,518,618,351.50 - Step 5: Solve for x
x = 2,175,363,518,618,351.50/53,981,590.92 - Step 6: Final answer
x = 40,298,247.64
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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.