Finding the Fourth Proportional to 216,086,745.68, 324,108,304.71 and 146,503,753.53
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Solution
The fourth proportional to 216,086,745.68, 324,108,304.71 and 146,503,753.53 is: 219,740,840.84
Step by Step Solution
- Step 1: Write the proportion equation
216,086,745.68 : 324,108,304.71 = 146,503,753.53 : x - Step 2: Convert to fraction form
216,086,745.68/324,108,304.71 = 146,503,753.53/x - Step 3: Cross multiply
216,086,745.68x = 324,108,304.71 × 146,503,753.53 - Step 4: Simplify right side
216,086,745.68x = 47,483,083,190,259,976 - Step 5: Solve for x
x = 47,483,083,190,259,976/216,086,745.68 - Step 6: Final answer
x = 219,740,840.84
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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.