Finding the Fourth Proportional to 255,744,754.05, 383,365,188.68 and 126,372,331.65
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Solution
The fourth proportional to 255,744,754.05, 383,365,188.68 and 126,372,331.65 is: 189,434,004.02
Step by Step Solution
- Step 1: Write the proportion equation
255,744,754.05 : 383,365,188.68 = 126,372,331.65 : x - Step 2: Convert to fraction form
255,744,754.05/383,365,188.68 = 126,372,331.65/x - Step 3: Cross multiply
255,744,754.05x = 383,365,188.68 × 126,372,331.65 - Step 4: Simplify right side
255,744,754.05x = 48,446,752,766,301,928 - Step 5: Solve for x
x = 48,446,752,766,301,928/255,744,754.05 - Step 6: Final answer
x = 189,434,004.02
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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.