Finding the Fourth Proportional to 69,702,583.20, 104,553,874.80 and 44,256,400.80
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Solution
The fourth proportional to 69,702,583.20, 104,553,874.80 and 44,256,400.80 is: 66,384,601.20
Step by Step Solution
- Step 1: Write the proportion equation
69,702,583.20 : 104,553,874.80 = 44,256,400.80 : x - Step 2: Convert to fraction form
69,702,583.20/104,553,874.80 = 44,256,400.80/x - Step 3: Cross multiply
69,702,583.20x = 104,553,874.80 × 44,256,400.80 - Step 4: Simplify right side
69,702,583.20x = 4,627,178,188,341,819 - Step 5: Solve for x
x = 4,627,178,188,341,819/69,702,583.20 - Step 6: Final answer
x = 66,384,601.20
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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.