Finding the Fourth Proportional to 168,389,735.86, 252,593,658.27 and 53,383,246.26
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Solution
The fourth proportional to 168,389,735.86, 252,593,658.27 and 53,383,246.26 is: 80,077,739.86
Step by Step Solution
- Step 1: Write the proportion equation
168,389,735.86 : 252,593,658.27 = 53,383,246.26 : x - Step 2: Convert to fraction form
168,389,735.86/252,593,658.27 = 53,383,246.26/x - Step 3: Cross multiply
168,389,735.86x = 252,593,658.27 × 53,383,246.26 - Step 4: Simplify right side
168,389,735.86x = 13,484,269,463,141,696 - Step 5: Solve for x
x = 13,484,269,463,141,696/168,389,735.86 - Step 6: Final answer
x = 80,077,739.86
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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.