Finding the Fourth Proportional to 68,033,899.60, 102,050,849.40 and 48,902,023.60
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Solution
The fourth proportional to 68,033,899.60, 102,050,849.40 and 48,902,023.60 is: 73,353,035.40
Step by Step Solution
- Step 1: Write the proportion equation
68,033,899.60 : 102,050,849.40 = 48,902,023.60 : x - Step 2: Convert to fraction form
68,033,899.60/102,050,849.40 = 48,902,023.60/x - Step 3: Cross multiply
68,033,899.60x = 102,050,849.40 × 48,902,023.60 - Step 4: Simplify right side
68,033,899.60x = 4,990,493,045,758,846 - Step 5: Solve for x
x = 4,990,493,045,758,846/68,033,899.60 - Step 6: Final answer
x = 73,353,035.40
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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.