Finding the Fourth Proportional to 254,780,436.58, 351,589,880.15 and 154,368,324.07
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Solution
The fourth proportional to 254,780,436.58, 351,589,880.15 and 154,368,324.07 is: 213,023,971.88
Step by Step Solution
- Step 1: Write the proportion equation
254,780,436.58 : 351,589,880.15 = 154,368,324.07 : x - Step 2: Convert to fraction form
254,780,436.58/351,589,880.15 = 154,368,324.07/x - Step 3: Cross multiply
254,780,436.58x = 351,589,880.15 × 154,368,324.07 - Step 4: Simplify right side
254,780,436.58x = 54,274,340,557,955,816 - Step 5: Solve for x
x = 54,274,340,557,955,816/254,780,436.58 - Step 6: Final answer
x = 213,023,971.88
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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.