Finding the Fourth Proportional to 236,197,163.70, 354,295,745.55 and 218,978,475.30
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Solution
The fourth proportional to 236,197,163.70, 354,295,745.55 and 218,978,475.30 is: 328,467,712.95
Step by Step Solution
- Step 1: Write the proportion equation
236,197,163.70 : 354,295,745.55 = 218,978,475.30 : x - Step 2: Convert to fraction form
236,197,163.70/354,295,745.55 = 218,978,475.30/x - Step 3: Cross multiply
236,197,163.70x = 354,295,745.55 × 218,978,475.30 - Step 4: Simplify right side
236,197,163.70x = 77,583,142,165,815,760 - Step 5: Solve for x
x = 77,583,142,165,815,760/236,197,163.70 - Step 6: Final answer
x = 328,467,712.95
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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.