Finding the Fourth Proportional to 125,412,323.50, 188,142,711.19 and 47,683,183.88
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Solution
The fourth proportional to 125,412,323.50, 188,142,711.19 and 47,683,183.88 is: 71,533,986.80
Step by Step Solution
- Step 1: Write the proportion equation
125,412,323.50 : 188,142,711.19 = 47,683,183.88 : x - Step 2: Convert to fraction form
125,412,323.50/188,142,711.19 = 47,683,183.88/x - Step 3: Cross multiply
125,412,323.50x = 188,142,711.19 × 47,683,183.88 - Step 4: Simplify right side
125,412,323.50x = 8,971,243,493,884,464 - Step 5: Solve for x
x = 8,971,243,493,884,464/125,412,323.50 - Step 6: Final answer
x = 71,533,986.80
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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.