Finding the Fourth Proportional to 168,512,640.60, 236,236,201.80 and 168,512,640.60
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Solution
The fourth proportional to 168,512,640.60, 236,236,201.80 and 168,512,640.60 is: 236,236,201.80
Step by Step Solution
- Step 1: Write the proportion equation
168,512,640.60 : 236,236,201.80 = 168,512,640.60 : x - Step 2: Convert to fraction form
168,512,640.60/236,236,201.80 = 168,512,640.60/x - Step 3: Cross multiply
168,512,640.60x = 236,236,201.80 × 168,512,640.60 - Step 4: Simplify right side
168,512,640.60x = 39,808,786,170,632,472 - Step 5: Solve for x
x = 39,808,786,170,632,472/168,512,640.60 - Step 6: Final answer
x = 236,236,201.80
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.