Finding the Fourth Proportional to 69,984,203.40, 104,976,305.10 and 39,247,230.60
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Solution
The fourth proportional to 69,984,203.40, 104,976,305.10 and 39,247,230.60 is: 58,870,845.90
Step by Step Solution
- Step 1: Write the proportion equation
69,984,203.40 : 104,976,305.10 = 39,247,230.60 : x - Step 2: Convert to fraction form
69,984,203.40/104,976,305.10 = 39,247,230.60/x - Step 3: Cross multiply
69,984,203.40x = 104,976,305.10 × 39,247,230.60 - Step 4: Simplify right side
69,984,203.40x = 4,120,029,253,795,656 - Step 5: Solve for x
x = 4,120,029,253,795,656/69,984,203.40 - Step 6: Final answer
x = 58,870,845.90
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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.