Finding the Fourth Proportional to 121,449,775,612.28, 167,605,958,748.67 and 67,256,324,247.63
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Solution
The fourth proportional to 121,449,775,612.28, 167,605,958,748.67 and 67,256,324,247.63 is: 92,816,644,992.59
Step by Step Solution
- Step 1: Write the proportion equation
121,449,775,612.28 : 167,605,958,748.67 = 67,256,324,247.63 : x - Step 2: Convert to fraction form
121,449,775,612.28/167,605,958,748.67 = 67,256,324,247.63/x - Step 3: Cross multiply
121,449,775,612.28x = 167,605,958,748.67 × 67,256,324,247.63 - Step 4: Simplify right side
121,449,775,612.28x = 11,272,560,707,434,945,970,176 - Step 5: Solve for x
x = 11,272,560,707,434,945,970,176/121,449,775,612.28 - Step 6: Final answer
x = 92,816,644,992.59
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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.