Finding the Fourth Proportional to 121,405,906.70, 182,108,860.06 and 108,651,322.70
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Solution
The fourth proportional to 121,405,906.70, 182,108,860.06 and 108,651,322.70 is: 162,976,984.06
Step by Step Solution
- Step 1: Write the proportion equation
121,405,906.70 : 182,108,860.06 = 108,651,322.70 : x - Step 2: Convert to fraction form
121,405,906.70/182,108,860.06 = 108,651,322.70/x - Step 3: Cross multiply
121,405,906.70x = 182,108,860.06 × 108,651,322.70 - Step 4: Simplify right side
121,405,906.70x = 19,786,368,520,908,204 - Step 5: Solve for x
x = 19,786,368,520,908,204/121,405,906.70 - Step 6: Final answer
x = 162,976,984.06
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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.