Finding the Fourth Proportional to 168,212,680.92, 252,317,339.26 and 53,197,242.84
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Solution
The fourth proportional to 168,212,680.92, 252,317,339.26 and 53,197,242.84 is: 79,795,332.29
Step by Step Solution
- Step 1: Write the proportion equation
168,212,680.92 : 252,317,339.26 = 53,197,242.84 : x - Step 2: Convert to fraction form
168,212,680.92/252,317,339.26 = 53,197,242.84/x - Step 3: Cross multiply
168,212,680.92x = 252,317,339.26 × 53,197,242.84 - Step 4: Simplify right side
168,212,680.92x = 13,422,586,769,356,886 - Step 5: Solve for x
x = 13,422,586,769,356,886/168,212,680.92 - Step 6: Final answer
x = 79,795,332.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.