Finding the Fourth Proportional to 303,561,821.37, 418,915,225.37 and 164,332,480.62
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Solution
The fourth proportional to 303,561,821.37, 418,915,225.37 and 164,332,480.62 is: 226,778,775.55
Step by Step Solution
- Step 1: Write the proportion equation
303,561,821.37 : 418,915,225.37 = 164,332,480.62 : x - Step 2: Convert to fraction form
303,561,821.37/418,915,225.37 = 164,332,480.62/x - Step 3: Cross multiply
303,561,821.37x = 418,915,225.37 × 164,332,480.62 - Step 4: Simplify right side
303,561,821.37x = 68,841,378,153,716,800 - Step 5: Solve for x
x = 68,841,378,153,716,800/303,561,821.37 - Step 6: Final answer
x = 226,778,775.55
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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.