Finding the Fourth Proportional to 29,138,857.80, 40,854,120.60 and 29,138,857.80
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Solution
The fourth proportional to 29,138,857.80, 40,854,120.60 and 29,138,857.80 is: 40,854,120.60
Step by Step Solution
- Step 1: Write the proportion equation
29,138,857.80 : 40,854,120.60 = 29,138,857.80 : x - Step 2: Convert to fraction form
29,138,857.80/40,854,120.60 = 29,138,857.80/x - Step 3: Cross multiply
29,138,857.80x = 40,854,120.60 × 29,138,857.80 - Step 4: Simplify right side
29,138,857.80x = 1,190,442,410,707,450.75 - Step 5: Solve for x
x = 1,190,442,410,707,450.75/29,138,857.80 - Step 6: Final answer
x = 40,854,120.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.