Finding the Fourth Proportional to 45,206,245.44, 67,807,851.84 and 19,647,252.72
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Solution
The fourth proportional to 45,206,245.44, 67,807,851.84 and 19,647,252.72 is: 29,470,220.07
Step by Step Solution
- Step 1: Write the proportion equation
45,206,245.44 : 67,807,851.84 = 19,647,252.72 : x - Step 2: Convert to fraction form
45,206,245.44/67,807,851.84 = 19,647,252.72/x - Step 3: Cross multiply
45,206,245.44x = 67,807,851.84 × 19,647,252.72 - Step 4: Simplify right side
45,206,245.44x = 1,332,238,001,500,797 - Step 5: Solve for x
x = 1,332,238,001,500,797/45,206,245.44 - Step 6: Final answer
x = 29,470,220.07
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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.