Finding the Fourth Proportional to 227,083,917.24, 313,375,931.73 and 122,661,989.10
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Solution
The fourth proportional to 227,083,917.24, 313,375,931.73 and 122,661,989.10 is: 169,273,612.99
Step by Step Solution
- Step 1: Write the proportion equation
227,083,917.24 : 313,375,931.73 = 122,661,989.10 : x - Step 2: Convert to fraction form
227,083,917.24/313,375,931.73 = 122,661,989.10/x - Step 3: Cross multiply
227,083,917.24x = 313,375,931.73 × 122,661,989.10 - Step 4: Simplify right side
227,083,917.24x = 38,439,315,122,067,608 - Step 5: Solve for x
x = 38,439,315,122,067,608/227,083,917.24 - Step 6: Final answer
x = 169,273,612.99
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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.