Finding the Fourth Proportional to 196,830,416.09, 271,634,226.26 and 113,198,612.00
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Solution
The fourth proportional to 196,830,416.09, 271,634,226.26 and 113,198,612.00 is: 156,218,830.38
Step by Step Solution
- Step 1: Write the proportion equation
196,830,416.09 : 271,634,226.26 = 113,198,612.00 : x - Step 2: Convert to fraction form
196,830,416.09/271,634,226.26 = 113,198,612.00/x - Step 3: Cross multiply
196,830,416.09x = 271,634,226.26 × 113,198,612.00 - Step 4: Simplify right side
196,830,416.09x = 30,748,617,384,565,680 - Step 5: Solve for x
x = 30,748,617,384,565,680/196,830,416.09 - Step 6: Final answer
x = 156,218,830.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.