Finding the Fourth Proportional to 107,790,072.14, 161,686,391.26 and 30,062,246.97
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Solution
The fourth proportional to 107,790,072.14, 161,686,391.26 and 30,062,246.97 is: 45,093,728.29
Step by Step Solution
- Step 1: Write the proportion equation
107,790,072.14 : 161,686,391.26 = 30,062,246.97 : x - Step 2: Convert to fraction form
107,790,072.14/161,686,391.26 = 30,062,246.97/x - Step 3: Cross multiply
107,790,072.14x = 161,686,391.26 × 30,062,246.97 - Step 4: Simplify right side
107,790,072.14x = 4,860,656,225,671,013 - Step 5: Solve for x
x = 4,860,656,225,671,013/107,790,072.14 - Step 6: Final answer
x = 45,093,728.29
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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.