Finding the Fourth Proportional to 192,854,984.37, 266,135,351.79 and 113,475,187.22
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Solution
The fourth proportional to 192,854,984.37, 266,135,351.79 and 113,475,187.22 is: 156,593,094.90
Step by Step Solution
- Step 1: Write the proportion equation
192,854,984.37 : 266,135,351.79 = 113,475,187.22 : x - Step 2: Convert to fraction form
192,854,984.37/266,135,351.79 = 113,475,187.22/x - Step 3: Cross multiply
192,854,984.37x = 266,135,351.79 × 113,475,187.22 - Step 4: Simplify right side
192,854,984.37x = 30,199,758,870,230,812 - Step 5: Solve for x
x = 30,199,758,870,230,812/192,854,984.37 - Step 6: Final answer
x = 156,593,094.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.