Finding the Fourth Proportional to 165,080,080.60, 247,620,120.90 and 162,529,163.80
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Solution
The fourth proportional to 165,080,080.60, 247,620,120.90 and 162,529,163.80 is: 243,793,745.70
Step by Step Solution
- Step 1: Write the proportion equation
165,080,080.60 : 247,620,120.90 = 162,529,163.80 : x - Step 2: Convert to fraction form
165,080,080.60/247,620,120.90 = 162,529,163.80/x - Step 3: Cross multiply
165,080,080.60x = 247,620,120.90 × 162,529,163.80 - Step 4: Simplify right side
165,080,080.60x = 40,245,491,189,931,904 - Step 5: Solve for x
x = 40,245,491,189,931,904/165,080,080.60 - Step 6: Final answer
x = 243,793,745.70
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1.5x scale
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.