Finding the Fourth Proportional to 80,824,893.80, 121,237,340.70 and 48,576,266.60
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Solution
The fourth proportional to 80,824,893.80, 121,237,340.70 and 48,576,266.60 is: 72,864,399.90
Step by Step Solution
- Step 1: Write the proportion equation
80,824,893.80 : 121,237,340.70 = 48,576,266.60 : x - Step 2: Convert to fraction form
80,824,893.80/121,237,340.70 = 48,576,266.60/x - Step 3: Cross multiply
80,824,893.80x = 121,237,340.70 × 48,576,266.60 - Step 4: Simplify right side
80,824,893.80x = 5,889,257,383,718,231 - Step 5: Solve for x
x = 5,889,257,383,718,231/80,824,893.80 - Step 6: Final answer
x = 72,864,399.90
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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.