Finding the Fourth Proportional to 126,372,248.10, 177,431,330.70 and 126,372,248.10
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Solution
The fourth proportional to 126,372,248.10, 177,431,330.70 and 126,372,248.10 is: 177,431,330.70
Step by Step Solution
- Step 1: Write the proportion equation
126,372,248.10 : 177,431,330.70 = 126,372,248.10 : x - Step 2: Convert to fraction form
126,372,248.10/177,431,330.70 = 126,372,248.10/x - Step 3: Cross multiply
126,372,248.10x = 177,431,330.70 × 126,372,248.10 - Step 4: Simplify right side
126,372,248.10x = 22,422,396,143,933,544 - Step 5: Solve for x
x = 22,422,396,143,933,544/126,372,248.10 - Step 6: Final answer
x = 177,431,330.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.