Finding the Fourth Proportional to 245,728,906.76, 339,103,876.06 and 134,219,818.68
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Solution
The fourth proportional to 245,728,906.76, 339,103,876.06 and 134,219,818.68 is: 185,222,249.02
Step by Step Solution
- Step 1: Write the proportion equation
245,728,906.76 : 339,103,876.06 = 134,219,818.68 : x - Step 2: Convert to fraction form
245,728,906.76/339,103,876.06 = 134,219,818.68/x - Step 3: Cross multiply
245,728,906.76x = 339,103,876.06 × 134,219,818.68 - Step 4: Simplify right side
245,728,906.76x = 45,514,460,758,122,848 - Step 5: Solve for x
x = 45,514,460,758,122,848/245,728,906.76 - Step 6: Final answer
x = 185,222,249.02
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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.