Finding the Fourth Proportional to 43,469,297.80, 65,203,946.70 and 23,313,905.80
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Solution
The fourth proportional to 43,469,297.80, 65,203,946.70 and 23,313,905.80 is: 34,970,858.70
Step by Step Solution
- Step 1: Write the proportion equation
43,469,297.80 : 65,203,946.70 = 23,313,905.80 : x - Step 2: Convert to fraction form
43,469,297.80/65,203,946.70 = 23,313,905.80/x - Step 3: Cross multiply
43,469,297.80x = 65,203,946.70 × 23,313,905.80 - Step 4: Simplify right side
43,469,297.80x = 1,520,158,671,152,021 - Step 5: Solve for x
x = 1,520,158,671,152,021/43,469,297.80 - Step 6: Final answer
x = 34,970,858.70
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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.