Finding the Fourth Proportional to 199,286,629.60, 298,929,944.40 and 167,541,887.20
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Solution
The fourth proportional to 199,286,629.60, 298,929,944.40 and 167,541,887.20 is: 251,312,830.80
Step by Step Solution
- Step 1: Write the proportion equation
199,286,629.60 : 298,929,944.40 = 167,541,887.20 : x - Step 2: Convert to fraction form
199,286,629.60/298,929,944.40 = 167,541,887.20/x - Step 3: Cross multiply
199,286,629.60x = 298,929,944.40 × 167,541,887.20 - Step 4: Simplify right side
199,286,629.60x = 50,083,287,025,367,064 - Step 5: Solve for x
x = 50,083,287,025,367,064/199,286,629.60 - Step 6: Final answer
x = 251,312,830.80
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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.