Finding the Fourth Proportional to 81,899,508.36, 113,022,093.42 and 46,615,590.84
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Solution
The fourth proportional to 81,899,508.36, 113,022,093.42 and 46,615,590.84 is: 64,329,954.70
Step by Step Solution
- Step 1: Write the proportion equation
81,899,508.36 : 113,022,093.42 = 46,615,590.84 : x - Step 2: Convert to fraction form
81,899,508.36/113,022,093.42 = 46,615,590.84/x - Step 3: Cross multiply
81,899,508.36x = 113,022,093.42 × 46,615,590.84 - Step 4: Simplify right side
81,899,508.36x = 5,268,591,662,746,977 - Step 5: Solve for x
x = 5,268,591,662,746,977/81,899,508.36 - Step 6: Final answer
x = 64,329,954.70
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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.