Finding the Fourth Proportional to 171,936,166.40, 257,904,249.60 and 110,714,163.20
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Solution
The fourth proportional to 171,936,166.40, 257,904,249.60 and 110,714,163.20 is: 166,071,244.80
Step by Step Solution
- Step 1: Write the proportion equation
171,936,166.40 : 257,904,249.60 = 110,714,163.20 : x - Step 2: Convert to fraction form
171,936,166.40/257,904,249.60 = 110,714,163.20/x - Step 3: Cross multiply
171,936,166.40x = 257,904,249.60 × 110,714,163.20 - Step 4: Simplify right side
171,936,166.40x = 28,553,653,180,187,936 - Step 5: Solve for x
x = 28,553,653,180,187,936/171,936,166.40 - Step 6: Final answer
x = 166,071,244.80
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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.