Finding the Fourth Proportional to 155,072,197.44, 213,999,676.93 and 84,507,827.03
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Solution
The fourth proportional to 155,072,197.44, 213,999,676.93 and 84,507,827.03 is: 116,620,825.53
Step by Step Solution
- Step 1: Write the proportion equation
155,072,197.44 : 213,999,676.93 = 84,507,827.03 : x - Step 2: Convert to fraction form
155,072,197.44/213,999,676.93 = 84,507,827.03/x - Step 3: Cross multiply
155,072,197.44x = 213,999,676.93 × 84,507,827.03 - Step 4: Simplify right side
155,072,197.44x = 18,084,647,682,476,324 - Step 5: Solve for x
x = 18,084,647,682,476,324/155,072,197.44 - Step 6: Final answer
x = 116,620,825.53
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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.