Finding the Fourth Proportional to 268,844,205.46, 403,309,403.12 and 113,420,907.07
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Solution
The fourth proportional to 268,844,205.46, 403,309,403.12 and 113,420,907.07 is: 170,149,541.63
Step by Step Solution
- Step 1: Write the proportion equation
268,844,205.46 : 403,309,403.12 = 113,420,907.07 : x - Step 2: Convert to fraction form
268,844,205.46/403,309,403.12 = 113,420,907.07/x - Step 3: Cross multiply
268,844,205.46x = 403,309,403.12 × 113,420,907.07 - Step 4: Simplify right side
268,844,205.46x = 45,743,718,329,147,040 - Step 5: Solve for x
x = 45,743,718,329,147,040/268,844,205.46 - Step 6: Final answer
x = 170,149,541.63
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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.