Finding the Fourth Proportional to 125,979,683.70, 188,969,525.55 and 125,979,683.70
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Solution
The fourth proportional to 125,979,683.70, 188,969,525.55 and 125,979,683.70 is: 188,969,525.55
Step by Step Solution
- Step 1: Write the proportion equation
125,979,683.70 : 188,969,525.55 = 125,979,683.70 : x - Step 2: Convert to fraction form
125,979,683.70/188,969,525.55 = 125,979,683.70/x - Step 3: Cross multiply
125,979,683.70x = 188,969,525.55 × 125,979,683.70 - Step 4: Simplify right side
125,979,683.70x = 23,806,321,057,728,072 - Step 5: Solve for x
x = 23,806,321,057,728,072/125,979,683.70 - Step 6: Final answer
x = 188,969,525.55
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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.