Finding the Fourth Proportional to 109,655,163.70, 164,482,745.55 and 88,131,803.20
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Solution
The fourth proportional to 109,655,163.70, 164,482,745.55 and 88,131,803.20 is: 132,197,704.80
Step by Step Solution
- Step 1: Write the proportion equation
109,655,163.70 : 164,482,745.55 = 88,131,803.20 : x - Step 2: Convert to fraction form
109,655,163.70/164,482,745.55 = 88,131,803.20/x - Step 3: Cross multiply
109,655,163.70x = 164,482,745.55 × 88,131,803.20 - Step 4: Simplify right side
109,655,163.70x = 14,496,160,960,608,278 - Step 5: Solve for x
x = 14,496,160,960,608,278/109,655,163.70 - Step 6: Final answer
x = 132,197,704.80
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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.