Finding the Fourth Proportional to 125,412,329.99, 188,142,720.87 and 47,683,190.18
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Solution
The fourth proportional to 125,412,329.99, 188,142,720.87 and 47,683,190.18 is: 71,533,996.22
Step by Step Solution
- Step 1: Write the proportion equation
125,412,329.99 : 188,142,720.87 = 47,683,190.18 : x - Step 2: Convert to fraction form
125,412,329.99/188,142,720.87 = 47,683,190.18/x - Step 3: Cross multiply
125,412,329.99x = 188,142,720.87 × 47,683,190.18 - Step 4: Simplify right side
125,412,329.99x = 8,971,245,139,286,151 - Step 5: Solve for x
x = 8,971,245,139,286,151/125,412,329.99 - Step 6: Final answer
x = 71,533,996.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.