Finding the Fourth Proportional to 299,583,722.40, 449,424,766.80 and 92,322,169.80
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Solution
The fourth proportional to 299,583,722.40, 449,424,766.80 and 92,322,169.80 is: 138,498,411.40
Step by Step Solution
- Step 1: Write the proportion equation
299,583,722.40 : 449,424,766.80 = 92,322,169.80 : x - Step 2: Convert to fraction form
299,583,722.40/449,424,766.80 = 92,322,169.80/x - Step 3: Cross multiply
299,583,722.40x = 449,424,766.80 × 92,322,169.80 - Step 4: Simplify right side
299,583,722.40x = 41,491,869,632,835,000 - Step 5: Solve for x
x = 41,491,869,632,835,000/299,583,722.40 - Step 6: Final answer
x = 138,498,411.40
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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.