Finding the Fourth Proportional to 215,485,414.16, 323,228,125.44 and 51,723,170.72
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Solution
The fourth proportional to 215,485,414.16, 323,228,125.44 and 51,723,170.72 is: 77,584,757.09
Step by Step Solution
- Step 1: Write the proportion equation
215,485,414.16 : 323,228,125.44 = 51,723,170.72 : x - Step 2: Convert to fraction form
215,485,414.16/323,228,125.44 = 51,723,170.72/x - Step 3: Cross multiply
215,485,414.16x = 323,228,125.44 × 51,723,170.72 - Step 4: Simplify right side
215,485,414.16x = 16,718,383,513,638,694 - Step 5: Solve for x
x = 16,718,383,513,638,694/215,485,414.16 - Step 6: Final answer
x = 77,584,757.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.