Finding the Fourth Proportional to 168,389,733.35, 252,593,654.51 and 53,383,243.75
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Solution
The fourth proportional to 168,389,733.35, 252,593,654.51 and 53,383,243.75 is: 80,077,736.09
Step by Step Solution
- Step 1: Write the proportion equation
168,389,733.35 : 252,593,654.51 = 53,383,243.75 : x - Step 2: Convert to fraction form
168,389,733.35/252,593,654.51 = 53,383,243.75/x - Step 3: Cross multiply
168,389,733.35x = 252,593,654.51 × 53,383,243.75 - Step 4: Simplify right side
168,389,733.35x = 13,484,268,627,912,590 - Step 5: Solve for x
x = 13,484,268,627,912,590/168,389,733.35 - Step 6: Final answer
x = 80,077,736.09
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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.