Finding the Fourth Proportional to 48,808,840.20, 67,226,899.86 and 36,379,099.68
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Solution
The fourth proportional to 48,808,840.20, 67,226,899.86 and 36,379,099.68 is: 50,106,785.60
Step by Step Solution
- Step 1: Write the proportion equation
48,808,840.20 : 67,226,899.86 = 36,379,099.68 : x - Step 2: Convert to fraction form
48,808,840.20/67,226,899.86 = 36,379,099.68/x - Step 3: Cross multiply
48,808,840.20x = 67,226,899.86 × 36,379,099.68 - Step 4: Simplify right side
48,808,840.20x = 2,445,654,091,184,318 - Step 5: Solve for x
x = 2,445,654,091,184,318/48,808,840.20 - Step 6: Final answer
x = 50,106,785.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.