Finding the Fourth Proportional to 168,489,708.41, 232,511,337.39 and 94,150,879.81
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Solution
The fourth proportional to 168,489,708.41, 232,511,337.39 and 94,150,879.81 is: 129,925,721.80
Step by Step Solution
- Step 1: Write the proportion equation
168,489,708.41 : 232,511,337.39 = 94,150,879.81 : x - Step 2: Convert to fraction form
168,489,708.41/232,511,337.39 = 94,150,879.81/x - Step 3: Cross multiply
168,489,708.41x = 232,511,337.39 × 94,150,879.81 - Step 4: Simplify right side
168,489,708.41x = 21,891,146,981,068,248 - Step 5: Solve for x
x = 21,891,146,981,068,248/168,489,708.41 - Step 6: Final answer
x = 129,925,721.80
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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.