Finding the Fourth Proportional to 198,853,880.39, 274,426,860.19 and 110,747,863.94
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Solution
The fourth proportional to 198,853,880.39, 274,426,860.19 and 110,747,863.94 is: 152,836,789.07
Step by Step Solution
- Step 1: Write the proportion equation
198,853,880.39 : 274,426,860.19 = 110,747,863.94 : x - Step 2: Convert to fraction form
198,853,880.39/274,426,860.19 = 110,747,863.94/x - Step 3: Cross multiply
198,853,880.39x = 274,426,860.19 × 110,747,863.94 - Step 4: Simplify right side
198,853,880.39x = 30,392,188,572,431,388 - Step 5: Solve for x
x = 30,392,188,572,431,388/198,853,880.39 - Step 6: Final answer
x = 152,836,789.07
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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.