Finding the Fourth Proportional to 52,984,071.20, 79,476,106.80 and 27,432,912.80
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Solution
The fourth proportional to 52,984,071.20, 79,476,106.80 and 27,432,912.80 is: 41,149,369.20
Step by Step Solution
- Step 1: Write the proportion equation
52,984,071.20 : 79,476,106.80 = 27,432,912.80 : x - Step 2: Convert to fraction form
52,984,071.20/79,476,106.80 = 27,432,912.80/x - Step 3: Cross multiply
52,984,071.20x = 79,476,106.80 × 27,432,912.80 - Step 4: Simplify right side
52,984,071.20x = 2,180,261,107,527,887 - Step 5: Solve for x
x = 2,180,261,107,527,887/52,984,071.20 - Step 6: Final answer
x = 41,149,369.20
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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.