Finding the Fourth Proportional to 140,192,613.36, 193,467,392.91 and 77,468,452.80
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Solution
The fourth proportional to 140,192,613.36, 193,467,392.91 and 77,468,452.80 is: 106,907,341.53
Step by Step Solution
- Step 1: Write the proportion equation
140,192,613.36 : 193,467,392.91 = 77,468,452.80 : x - Step 2: Convert to fraction form
140,192,613.36/193,467,392.91 = 77,468,452.80/x - Step 3: Cross multiply
140,192,613.36x = 193,467,392.91 × 77,468,452.80 - Step 4: Simplify right side
140,192,613.36x = 14,987,619,595,987,388 - Step 5: Solve for x
x = 14,987,619,595,987,388/140,192,613.36 - Step 6: Final answer
x = 106,907,341.53
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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.