Finding the Fourth Proportional to 176,135,999.20, 264,203,998.80 and 130,786,367.20
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Solution
The fourth proportional to 176,135,999.20, 264,203,998.80 and 130,786,367.20 is: 196,179,550.80
Step by Step Solution
- Step 1: Write the proportion equation
176,135,999.20 : 264,203,998.80 = 130,786,367.20 : x - Step 2: Convert to fraction form
176,135,999.20/264,203,998.80 = 130,786,367.20/x - Step 3: Cross multiply
176,135,999.20x = 264,203,998.80 × 130,786,367.20 - Step 4: Simplify right side
176,135,999.20x = 34,554,281,202,765,160 - Step 5: Solve for x
x = 34,554,281,202,765,160/176,135,999.20 - Step 6: Final answer
x = 196,179,550.80
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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.