Finding the Fourth Proportional to 178,082,806.40, 267,124,209.60 and 87,383,542.40
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Solution
The fourth proportional to 178,082,806.40, 267,124,209.60 and 87,383,542.40 is: 131,075,313.60
Step by Step Solution
- Step 1: Write the proportion equation
178,082,806.40 : 267,124,209.60 = 87,383,542.40 : x - Step 2: Convert to fraction form
178,082,806.40/267,124,209.60 = 87,383,542.40/x - Step 3: Cross multiply
178,082,806.40x = 267,124,209.60 × 87,383,542.40 - Step 4: Simplify right side
178,082,806.40x = 23,342,259,695,648,088 - Step 5: Solve for x
x = 23,342,259,695,648,088/178,082,806.40 - Step 6: Final answer
x = 131,075,313.60
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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.