Finding the Fourth Proportional to 118,584,163.60, 177,876,245.40 and 84,146,786.80
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Solution
The fourth proportional to 118,584,163.60, 177,876,245.40 and 84,146,786.80 is: 126,220,180.20
Step by Step Solution
- Step 1: Write the proportion equation
118,584,163.60 : 177,876,245.40 = 84,146,786.80 : x - Step 2: Convert to fraction form
118,584,163.60/177,876,245.40 = 84,146,786.80/x - Step 3: Cross multiply
118,584,163.60x = 177,876,245.40 × 84,146,786.80 - Step 4: Simplify right side
118,584,163.60x = 14,967,714,498,458,280 - Step 5: Solve for x
x = 14,967,714,498,458,280/118,584,163.60 - Step 6: Final answer
x = 126,220,180.20
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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.