Finding the Fourth Proportional to 176,170,879.20, 264,256,318.80 and 130,821,247.20
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Solution
The fourth proportional to 176,170,879.20, 264,256,318.80 and 130,821,247.20 is: 196,231,870.80
Step by Step Solution
- Step 1: Write the proportion equation
176,170,879.20 : 264,256,318.80 = 130,821,247.20 : x - Step 2: Convert to fraction form
176,170,879.20/264,256,318.80 = 130,821,247.20/x - Step 3: Cross multiply
176,170,879.20x = 264,256,318.80 × 130,821,247.20 - Step 4: Simplify right side
176,170,879.20x = 34,570,341,205,896,808 - Step 5: Solve for x
x = 34,570,341,205,896,808/176,170,879.20 - Step 6: Final answer
x = 196,231,870.80
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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.