Finding the Fourth Proportional to 103,339,968.85, 154,956,129.49 and 48,737,893.68
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Solution
The fourth proportional to 103,339,968.85, 154,956,129.49 and 48,737,893.68 is: 73,081,455.78
Step by Step Solution
- Step 1: Write the proportion equation
103,339,968.85 : 154,956,129.49 = 48,737,893.68 : x - Step 2: Convert to fraction form
103,339,968.85/154,956,129.49 = 48,737,893.68/x - Step 3: Cross multiply
103,339,968.85x = 154,956,129.49 × 48,737,893.68 - Step 4: Simplify right side
103,339,968.85x = 7,552,235,364,147,933 - Step 5: Solve for x
x = 7,552,235,364,147,933/103,339,968.85 - Step 6: Final answer
x = 73,081,455.78
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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.