Finding the Fourth Proportional to 245,728,907.62, 339,103,877.24 and 134,219,819.54
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Solution
The fourth proportional to 245,728,907.62, 339,103,877.24 and 134,219,819.54 is: 185,222,250.20
Step by Step Solution
- Step 1: Write the proportion equation
245,728,907.62 : 339,103,877.24 = 134,219,819.54 : x - Step 2: Convert to fraction form
245,728,907.62/339,103,877.24 = 134,219,819.54/x - Step 3: Cross multiply
245,728,907.62x = 339,103,877.24 × 134,219,819.54 - Step 4: Simplify right side
245,728,907.62x = 45,514,461,208,467,112 - Step 5: Solve for x
x = 45,514,461,208,467,112/245,728,907.62 - Step 6: Final answer
x = 185,222,250.20
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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.