Finding the Fourth Proportional to 220,521,393.74, 304,337,311.49 and 126,444,293.12
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Solution
The fourth proportional to 220,521,393.74, 304,337,311.49 and 126,444,293.12 is: 174,503,324.01
Step by Step Solution
- Step 1: Write the proportion equation
220,521,393.74 : 304,337,311.49 = 126,444,293.12 : x - Step 2: Convert to fraction form
220,521,393.74/304,337,311.49 = 126,444,293.12/x - Step 3: Cross multiply
220,521,393.74x = 304,337,311.49 × 126,444,293.12 - Step 4: Simplify right side
220,521,393.74x = 38,481,716,222,471,256 - Step 5: Solve for x
x = 38,481,716,222,471,256/220,521,393.74 - Step 6: Final answer
x = 174,503,324.01
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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.