Finding the Fourth Proportional to 120,994,173,887.07, 166,986,601,494.21 and 68,863,579,330.05
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Solution
The fourth proportional to 120,994,173,887.07, 166,986,601,494.21 and 68,863,579,330.05 is: 95,040,072,671.47
Step by Step Solution
- Step 1: Write the proportion equation
120,994,173,887.07 : 166,986,601,494.21 = 68,863,579,330.05 : x - Step 2: Convert to fraction form
120,994,173,887.07/166,986,601,494.21 = 68,863,579,330.05/x - Step 3: Cross multiply
120,994,173,887.07x = 166,986,601,494.21 × 68,863,579,330.05 - Step 4: Simplify right side
120,994,173,887.07x = 11,499,295,079,051,976,245,248 - Step 5: Solve for x
x = 11,499,295,079,051,976,245,248/120,994,173,887.07 - Step 6: Final answer
x = 95,040,072,671.47
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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.