Finding the Fourth Proportional to 257,770,033.55, 355,722,626.56 and 140,296,206.07
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Solution
The fourth proportional to 257,770,033.55, 355,722,626.56 and 140,296,206.07 is: 193,608,753.63
Step by Step Solution
- Step 1: Write the proportion equation
257,770,033.55 : 355,722,626.56 = 140,296,206.07 : x - Step 2: Convert to fraction form
257,770,033.55/355,722,626.56 = 140,296,206.07/x - Step 3: Cross multiply
257,770,033.55x = 355,722,626.56 × 140,296,206.07 - Step 4: Simplify right side
257,770,033.55x = 49,906,534,917,844,800 - Step 5: Solve for x
x = 49,906,534,917,844,800/257,770,033.55 - Step 6: Final answer
x = 193,608,753.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.