Finding the Fourth Proportional to 121,278,108.70, 181,917,163.05 and 35,025,234.40
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Solution
The fourth proportional to 121,278,108.70, 181,917,163.05 and 35,025,234.40 is: 52,537,851.60
Step by Step Solution
- Step 1: Write the proportion equation
121,278,108.70 : 181,917,163.05 = 35,025,234.40 : x - Step 2: Convert to fraction form
121,278,108.70/181,917,163.05 = 35,025,234.40/x - Step 3: Cross multiply
121,278,108.70x = 181,917,163.05 × 35,025,234.40 - Step 4: Simplify right side
121,278,108.70x = 6,371,691,277,209,269 - Step 5: Solve for x
x = 6,371,691,277,209,269/121,278,108.70 - Step 6: Final answer
x = 52,537,851.60
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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.