Finding the Fourth Proportional to 71,413,014.48, 107,129,609.44 and 22,879,515.44
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Solution
The fourth proportional to 71,413,014.48, 107,129,609.44 and 22,879,515.44 is: 34,322,505.09
Step by Step Solution
- Step 1: Write the proportion equation
71,413,014.48 : 107,129,609.44 = 22,879,515.44 : x - Step 2: Convert to fraction form
71,413,014.48/107,129,609.44 = 22,879,515.44/x - Step 3: Cross multiply
71,413,014.48x = 107,129,609.44 × 22,879,515.44 - Step 4: Simplify right side
71,413,014.48x = 2,451,073,553,263,650 - Step 5: Solve for x
x = 2,451,073,553,263,650/71,413,014.48 - Step 6: Final answer
x = 34,322,505.09
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1.5x scale
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.