Finding the Fourth Proportional to 79,284,107.16, 109,415,672.82 and 46,245,010.68
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Solution
The fourth proportional to 79,284,107.16, 109,415,672.82 and 46,245,010.68 is: 63,820,217.44
Step by Step Solution
- Step 1: Write the proportion equation
79,284,107.16 : 109,415,672.82 = 46,245,010.68 : x - Step 2: Convert to fraction form
79,284,107.16/109,415,672.82 = 46,245,010.68/x - Step 3: Cross multiply
79,284,107.16x = 109,415,672.82 × 46,245,010.68 - Step 4: Simplify right side
79,284,107.16x = 5,059,928,958,120,285 - Step 5: Solve for x
x = 5,059,928,958,120,285/79,284,107.16 - Step 6: Final answer
x = 63,820,217.44
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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.