Finding the Fourth Proportional to 231,845,227.16, 347,821,563.07 and 76,393,469.45
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Solution
The fourth proportional to 231,845,227.16, 347,821,563.07 and 76,393,469.45 is: 114,607,905.80
Step by Step Solution
- Step 1: Write the proportion equation
231,845,227.16 : 347,821,563.07 = 76,393,469.45 : x - Step 2: Convert to fraction form
231,845,227.16/347,821,563.07 = 76,393,469.45/x - Step 3: Cross multiply
231,845,227.16x = 347,821,563.07 × 76,393,469.45 - Step 4: Simplify right side
231,845,227.16x = 26,571,295,953,404,340 - Step 5: Solve for x
x = 26,571,295,953,404,340/231,845,227.16 - Step 6: Final answer
x = 114,607,905.80
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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.