Finding the Fourth Proportional to 126,861,998.80, 177,224,160.80 and 126,861,998.80
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Solution
The fourth proportional to 126,861,998.80, 177,224,160.80 and 126,861,998.80 is: 177,224,160.80
Step by Step Solution
- Step 1: Write the proportion equation
126,861,998.80 : 177,224,160.80 = 126,861,998.80 : x - Step 2: Convert to fraction form
126,861,998.80/177,224,160.80 = 126,861,998.80/x - Step 3: Cross multiply
126,861,998.80x = 177,224,160.80 × 126,861,998.80 - Step 4: Simplify right side
126,861,998.80x = 22,483,011,274,740,608 - Step 5: Solve for x
x = 22,483,011,274,740,608/126,861,998.80 - Step 6: Final answer
x = 177,224,160.80
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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.