Finding the Fourth Proportional to 168,389,735.63, 252,593,657.91 and 53,383,246.02
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Solution
The fourth proportional to 168,389,735.63, 252,593,657.91 and 53,383,246.02 is: 80,077,739.50
Step by Step Solution
- Step 1: Write the proportion equation
168,389,735.63 : 252,593,657.91 = 53,383,246.02 : x - Step 2: Convert to fraction form
168,389,735.63/252,593,657.91 = 53,383,246.02/x - Step 3: Cross multiply
168,389,735.63x = 252,593,657.91 × 53,383,246.02 - Step 4: Simplify right side
168,389,735.63x = 13,484,269,383,301,250 - Step 5: Solve for x
x = 13,484,269,383,301,250/168,389,735.63 - Step 6: Final answer
x = 80,077,739.50
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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.