Finding the Fourth Proportional to 51,902,120.97, 71,624,138.76 and 28,380,732.80
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Solution
The fourth proportional to 51,902,120.97, 71,624,138.76 and 28,380,732.80 is: 39,164,980.27
Step by Step Solution
- Step 1: Write the proportion equation
51,902,120.97 : 71,624,138.76 = 28,380,732.80 : x - Step 2: Convert to fraction form
51,902,120.97/71,624,138.76 = 28,380,732.80/x - Step 3: Cross multiply
51,902,120.97x = 71,624,138.76 × 28,380,732.80 - Step 4: Simplify right side
51,902,120.97x = 2,032,745,543,819,563 - Step 5: Solve for x
x = 2,032,745,543,819,563/51,902,120.97 - Step 6: Final answer
x = 39,164,980.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.