Finding the Fourth Proportional to 86,393,033.26, 119,223,516.72 and 47,234,855.44
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Solution
The fourth proportional to 86,393,033.26, 119,223,516.72 and 47,234,855.44 is: 65,184,718.78
Step by Step Solution
- Step 1: Write the proportion equation
86,393,033.26 : 119,223,516.72 = 47,234,855.44 : x - Step 2: Convert to fraction form
86,393,033.26/119,223,516.72 = 47,234,855.44/x - Step 3: Cross multiply
86,393,033.26x = 119,223,516.72 × 47,234,855.44 - Step 4: Simplify right side
86,393,033.26x = 5,631,505,577,317,623 - Step 5: Solve for x
x = 5,631,505,577,317,623/86,393,033.26 - Step 6: Final answer
x = 65,184,718.78
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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.