Finding the Fourth Proportional to 201,953,431.80, 302,930,147.70 and 201,953,431.80
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Solution
The fourth proportional to 201,953,431.80, 302,930,147.70 and 201,953,431.80 is: 302,930,147.70
Step by Step Solution
- Step 1: Write the proportion equation
201,953,431.80 : 302,930,147.70 = 201,953,431.80 : x - Step 2: Convert to fraction form
201,953,431.80/302,930,147.70 = 201,953,431.80/x - Step 3: Cross multiply
201,953,431.80x = 302,930,147.70 × 201,953,431.80 - Step 4: Simplify right side
201,953,431.80x = 61,177,782,923,695,880 - Step 5: Solve for x
x = 61,177,782,923,695,880/201,953,431.80 - Step 6: Final answer
x = 302,930,147.70
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1.5x scale
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.