Finding the Fourth Proportional to 247,383,618.48, 370,752,626.52 and 138,204,379.44
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Solution
The fourth proportional to 247,383,618.48, 370,752,626.52 and 138,204,379.44 is: 207,126,231.68
Step by Step Solution
- Step 1: Write the proportion equation
247,383,618.48 : 370,752,626.52 = 138,204,379.44 : x - Step 2: Convert to fraction form
247,383,618.48/370,752,626.52 = 138,204,379.44/x - Step 3: Cross multiply
247,383,618.48x = 370,752,626.52 × 138,204,379.44 - Step 4: Simplify right side
247,383,618.48x = 51,239,636,673,946,680 - Step 5: Solve for x
x = 51,239,636,673,946,680/247,383,618.48 - Step 6: Final answer
x = 207,126,231.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.