Finding the Fourth Proportional to 179,640,615.80, 269,460,923.70 and 168,303,207.80
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Solution
The fourth proportional to 179,640,615.80, 269,460,923.70 and 168,303,207.80 is: 252,454,811.70
Step by Step Solution
- Step 1: Write the proportion equation
179,640,615.80 : 269,460,923.70 = 168,303,207.80 : x - Step 2: Convert to fraction form
179,640,615.80/269,460,923.70 = 168,303,207.80/x - Step 3: Cross multiply
179,640,615.80x = 269,460,923.70 × 168,303,207.80 - Step 4: Simplify right side
179,640,615.80x = 45,351,137,835,461,048 - Step 5: Solve for x
x = 45,351,137,835,461,048/179,640,615.80 - Step 6: Final answer
x = 252,454,811.70
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1.5x scale
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.