Finding the Fourth Proportional to 274,311,228.26, 378,550,486.06 and 148,863,396.93
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Solution
The fourth proportional to 274,311,228.26, 378,550,486.06 and 148,863,396.93 is: 205,432,025.60
Step by Step Solution
- Step 1: Write the proportion equation
274,311,228.26 : 378,550,486.06 = 148,863,396.93 : x - Step 2: Convert to fraction form
274,311,228.26/378,550,486.06 = 148,863,396.93/x - Step 3: Cross multiply
274,311,228.26x = 378,550,486.06 × 148,863,396.93 - Step 4: Simplify right side
274,311,228.26x = 56,352,311,264,729,952 - Step 5: Solve for x
x = 56,352,311,264,729,952/274,311,228.26 - Step 6: Final answer
x = 205,432,025.60
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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.