Finding the Fourth Proportional to 121,449,775,613.65, 167,605,958,750.56 and 67,256,324,249.01
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Solution
The fourth proportional to 121,449,775,613.65, 167,605,958,750.56 and 67,256,324,249.01 is: 92,816,644,994.50
Step by Step Solution
- Step 1: Write the proportion equation
121,449,775,613.65 : 167,605,958,750.56 = 67,256,324,249.01 : x - Step 2: Convert to fraction form
121,449,775,613.65/167,605,958,750.56 = 67,256,324,249.01/x - Step 3: Cross multiply
121,449,775,613.65x = 167,605,958,750.56 × 67,256,324,249.01 - Step 4: Simplify right side
121,449,775,613.65x = 11,272,560,707,793,858,854,912 - Step 5: Solve for x
x = 11,272,560,707,793,858,854,912/121,449,775,613.65 - Step 6: Final answer
x = 92,816,644,994.50
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1.5x scale
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.