Finding the Fourth Proportional to 122,354,217, 168,853,274.87 and 66,596,944.41
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Solution
The fourth proportional to 122,354,217, 168,853,274.87 and 66,596,944.41 is: 91,906,208.35
Step by Step Solution
- Step 1: Write the proportion equation
122,354,217 : 168,853,274.87 = 66,596,944.41 : x - Step 2: Convert to fraction form
122,354,217/168,853,274.87 = 66,596,944.41/x - Step 3: Cross multiply
122,354,217x = 168,853,274.87 × 66,596,944.41 - Step 4: Simplify right side
122,354,217x = 11,245,112,159,630,856 - Step 5: Solve for x
x = 11,245,112,159,630,856/122,354,217 - Step 6: Final answer
x = 91,906,208.35
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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.