Finding the Fourth Proportional to 44,142,543.21, 66,170,855.97 and 21,107,528.31
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Solution
The fourth proportional to 44,142,543.21, 66,170,855.97 and 21,107,528.31 is: 31,640,750.94
Step by Step Solution
- Step 1: Write the proportion equation
44,142,543.21 : 66,170,855.97 = 21,107,528.31 : x - Step 2: Convert to fraction form
44,142,543.21/66,170,855.97 = 21,107,528.31/x - Step 3: Cross multiply
44,142,543.21x = 66,170,855.97 × 21,107,528.31 - Step 4: Simplify right side
44,142,543.21x = 1,396,703,215,683,707.50 - Step 5: Solve for x
x = 1,396,703,215,683,707.50/44,142,543.21 - Step 6: Final answer
x = 31,640,750.94
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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.