Finding the Fourth Proportional to 188,944,108.80, 283,416,163.20 and 79,892,415.60
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Solution
The fourth proportional to 188,944,108.80, 283,416,163.20 and 79,892,415.60 is: 119,838,623.40
Step by Step Solution
- Step 1: Write the proportion equation
188,944,108.80 : 283,416,163.20 = 79,892,415.60 : x - Step 2: Convert to fraction form
188,944,108.80/283,416,163.20 = 79,892,415.60/x - Step 3: Cross multiply
188,944,108.80x = 283,416,163.20 × 79,892,415.60 - Step 4: Simplify right side
188,944,108.80x = 22,642,801,898,131,824 - Step 5: Solve for x
x = 22,642,801,898,131,824/188,944,108.80 - Step 6: Final answer
x = 119,838,623.40
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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.