Finding the Fourth Proportional to 80,869,240.24, 121,180,425.26 and 48,015,112.73
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Solution
The fourth proportional to 80,869,240.24, 121,180,425.26 and 48,015,112.73 is: 71,949,381.02
Step by Step Solution
- Step 1: Write the proportion equation
80,869,240.24 : 121,180,425.26 = 48,015,112.73 : x - Step 2: Convert to fraction form
80,869,240.24/121,180,425.26 = 48,015,112.73/x - Step 3: Cross multiply
80,869,240.24x = 121,180,425.26 × 48,015,112.73 - Step 4: Simplify right side
80,869,240.24x = 5,818,491,778,682,262 - Step 5: Solve for x
x = 5,818,491,778,682,262/80,869,240.24 - Step 6: Final answer
x = 71,949,381.02
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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.