Finding the Fourth Proportional to 282,248,938.73, 423,297,825.37 and 77,728,396.97
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Solution
The fourth proportional to 282,248,938.73, 423,297,825.37 and 77,728,396.97 is: 116,571,780.77
Step by Step Solution
- Step 1: Write the proportion equation
282,248,938.73 : 423,297,825.37 = 77,728,396.97 : x - Step 2: Convert to fraction form
282,248,938.73/423,297,825.37 = 77,728,396.97/x - Step 3: Cross multiply
282,248,938.73x = 423,297,825.37 × 77,728,396.97 - Step 4: Simplify right side
282,248,938.73x = 32,902,261,407,761,020 - Step 5: Solve for x
x = 32,902,261,407,761,020/282,248,938.73 - Step 6: Final answer
x = 116,571,780.77
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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.