Finding the Fourth Proportional to 43,560,169.80, 65,340,254.70 and 29,190,121.80
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Solution
The fourth proportional to 43,560,169.80, 65,340,254.70 and 29,190,121.80 is: 43,785,182.70
Step by Step Solution
- Step 1: Write the proportion equation
43,560,169.80 : 65,340,254.70 = 29,190,121.80 : x - Step 2: Convert to fraction form
43,560,169.80/65,340,254.70 = 29,190,121.80/x - Step 3: Cross multiply
43,560,169.80x = 65,340,254.70 × 29,190,121.80 - Step 4: Simplify right side
43,560,169.80x = 1,907,289,993,136,022.50 - Step 5: Solve for x
x = 1,907,289,993,136,022.50/43,560,169.80 - Step 6: Final answer
x = 43,785,182.70
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1.5x scale
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.