Finding the Fourth Proportional to 272,093,361.84, 408,375,879.12 and 142,792,323.12
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Solution
The fourth proportional to 272,093,361.84, 408,375,879.12 and 142,792,323.12 is: 214,312,249.63
Step by Step Solution
- Step 1: Write the proportion equation
272,093,361.84 : 408,375,879.12 = 142,792,323.12 : x - Step 2: Convert to fraction form
272,093,361.84/408,375,879.12 = 142,792,323.12/x - Step 3: Cross multiply
272,093,361.84x = 408,375,879.12 × 142,792,323.12 - Step 4: Simplify right side
272,093,361.84x = 58,312,940,485,717,104 - Step 5: Solve for x
x = 58,312,940,485,717,104/272,093,361.84 - Step 6: Final answer
x = 214,312,249.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.