Finding the Fourth Proportional to 196,834,907.85, 295,252,361.78 and 106,135,643.85
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Solution
The fourth proportional to 196,834,907.85, 295,252,361.78 and 106,135,643.85 is: 159,203,465.78
Step by Step Solution
- Step 1: Write the proportion equation
196,834,907.85 : 295,252,361.78 = 106,135,643.85 : x - Step 2: Convert to fraction form
196,834,907.85/295,252,361.78 = 106,135,643.85/x - Step 3: Cross multiply
196,834,907.85x = 295,252,361.78 × 106,135,643.85 - Step 4: Simplify right side
196,834,907.85x = 31,336,799,515,222,748 - Step 5: Solve for x
x = 31,336,799,515,222,748/196,834,907.85 - Step 6: Final answer
x = 159,203,465.78
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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.