Finding the Fourth Proportional to 196,993,268.80, 295,489,903.20 and 115,363,931.20
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Solution
The fourth proportional to 196,993,268.80, 295,489,903.20 and 115,363,931.20 is: 173,045,896.80
Step by Step Solution
- Step 1: Write the proportion equation
196,993,268.80 : 295,489,903.20 = 115,363,931.20 : x - Step 2: Convert to fraction form
196,993,268.80/295,489,903.20 = 115,363,931.20/x - Step 3: Cross multiply
196,993,268.80x = 295,489,903.20 × 115,363,931.20 - Step 4: Simplify right side
196,993,268.80x = 34,088,876,863,059,460 - Step 5: Solve for x
x = 34,088,876,863,059,460/196,993,268.80 - Step 6: Final answer
x = 173,045,896.80
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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.