Finding the Fourth Proportional to 90,204,198.24, 124,481,874.96 and 48,951,091.02
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Solution
The fourth proportional to 90,204,198.24, 124,481,874.96 and 48,951,091.02 is: 67,552,549.77
Step by Step Solution
- Step 1: Write the proportion equation
90,204,198.24 : 124,481,874.96 = 48,951,091.02 : x - Step 2: Convert to fraction form
90,204,198.24/124,481,874.96 = 48,951,091.02/x - Step 3: Cross multiply
90,204,198.24x = 124,481,874.96 × 48,951,091.02 - Step 4: Simplify right side
90,204,198.24x = 6,093,523,591,507,219 - Step 5: Solve for x
x = 6,093,523,591,507,219/90,204,198.24 - Step 6: Final answer
x = 67,552,549.77
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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.