Finding the Fourth Proportional to 155,792,361.74, 214,972,399.14 and 88,819,959.38
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Solution
The fourth proportional to 155,792,361.74, 214,972,399.14 and 88,819,959.38 is: 122,559,537.23
Step by Step Solution
- Step 1: Write the proportion equation
155,792,361.74 : 214,972,399.14 = 88,819,959.38 : x - Step 2: Convert to fraction form
155,792,361.74/214,972,399.14 = 88,819,959.38/x - Step 3: Cross multiply
155,792,361.74x = 214,972,399.14 × 88,819,959.38 - Step 4: Simplify right side
155,792,361.74x = 19,093,839,759,435,944 - Step 5: Solve for x
x = 19,093,839,759,435,944/155,792,361.74 - Step 6: Final answer
x = 122,559,537.23
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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.