Finding the Fourth Proportional to 49,029,848.12, 67,656,183.28 and 30,188,438.12
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Solution
The fourth proportional to 49,029,848.12, 67,656,183.28 and 30,188,438.12 is: 41,656,961.64
Step by Step Solution
- Step 1: Write the proportion equation
49,029,848.12 : 67,656,183.28 = 30,188,438.12 : x - Step 2: Convert to fraction form
49,029,848.12/67,656,183.28 = 30,188,438.12/x - Step 3: Cross multiply
49,029,848.12x = 67,656,183.28 × 30,188,438.12 - Step 4: Simplify right side
49,029,848.12x = 2,042,434,502,383,658.75 - Step 5: Solve for x
x = 2,042,434,502,383,658.75/49,029,848.12 - Step 6: Final answer
x = 41,656,961.64
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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.