Finding the Fourth Proportional to 125,525,890.98, 187,738,135.02 and 111,789,708.48
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Solution
The fourth proportional to 125,525,890.98, 187,738,135.02 and 111,789,708.48 is: 167,194,124.02
Step by Step Solution
- Step 1: Write the proportion equation
125,525,890.98 : 187,738,135.02 = 111,789,708.48 : x - Step 2: Convert to fraction form
125,525,890.98/187,738,135.02 = 111,789,708.48/x - Step 3: Cross multiply
125,525,890.98x = 187,738,135.02 × 111,789,708.48 - Step 4: Simplify right side
125,525,890.98x = 20,987,191,384,464,680 - Step 5: Solve for x
x = 20,987,191,384,464,680/125,525,890.98 - Step 6: Final answer
x = 167,194,124.02
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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.