Finding the Fourth Proportional to 219,912,227.86, 303,470,559.84 and 122,133,382.42
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Solution
The fourth proportional to 219,912,227.86, 303,470,559.84 and 122,133,382.42 is: 168,539,450.03
Step by Step Solution
- Step 1: Write the proportion equation
219,912,227.86 : 303,470,559.84 = 122,133,382.42 : x - Step 2: Convert to fraction form
219,912,227.86/303,470,559.84 = 122,133,382.42/x - Step 3: Cross multiply
219,912,227.86x = 303,470,559.84 × 122,133,382.42 - Step 4: Simplify right side
219,912,227.86x = 37,063,885,938,150,208 - Step 5: Solve for x
x = 37,063,885,938,150,208/219,912,227.86 - Step 6: Final answer
x = 168,539,450.03
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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.