Finding the Fourth Proportional to 195,761,294.97, 270,157,690.11 and 112,145,585.94
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Solution
The fourth proportional to 195,761,294.97, 270,157,690.11 and 112,145,585.94 is: 154,764,977.72
Step by Step Solution
- Step 1: Write the proportion equation
195,761,294.97 : 270,157,690.11 = 112,145,585.94 : x - Step 2: Convert to fraction form
195,761,294.97/270,157,690.11 = 112,145,585.94/x - Step 3: Cross multiply
195,761,294.97x = 270,157,690.11 × 112,145,585.94 - Step 4: Simplify right side
195,761,294.97x = 30,296,992,453,582,896 - Step 5: Solve for x
x = 30,296,992,453,582,896/195,761,294.97 - Step 6: Final answer
x = 154,764,977.72
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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.