Finding the Fourth Proportional to 195,446,768.80, 293,170,153.20 and 149,530,266.40
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Solution
The fourth proportional to 195,446,768.80, 293,170,153.20 and 149,530,266.40 is: 224,295,399.60
Step by Step Solution
- Step 1: Write the proportion equation
195,446,768.80 : 293,170,153.20 = 149,530,266.40 : x - Step 2: Convert to fraction form
195,446,768.80/293,170,153.20 = 149,530,266.40/x - Step 3: Cross multiply
195,446,768.80x = 293,170,153.20 × 149,530,266.40 - Step 4: Simplify right side
195,446,768.80x = 43,837,811,108,524,816 - Step 5: Solve for x
x = 43,837,811,108,524,816/195,446,768.80 - Step 6: Final answer
x = 224,295,399.60
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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.