Finding the Fourth Proportional to 237,258,605.20, 355,440,010.20 and 121,850,323.60
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Solution
The fourth proportional to 237,258,605.20, 355,440,010.20 and 121,850,323.60 is: 182,545,455.95
Step by Step Solution
- Step 1: Write the proportion equation
237,258,605.20 : 355,440,010.20 = 121,850,323.60 : x - Step 2: Convert to fraction form
237,258,605.20/355,440,010.20 = 121,850,323.60/x - Step 3: Cross multiply
237,258,605.20x = 355,440,010.20 × 121,850,323.60 - Step 4: Simplify right side
237,258,605.20x = 43,310,480,263,257,296 - Step 5: Solve for x
x = 43,310,480,263,257,296/237,258,605.20 - Step 6: Final answer
x = 182,545,455.95
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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.