Finding the Fourth Proportional to 262,647,048.21, 362,446,604.60 and 143,564,297.19
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Solution
The fourth proportional to 262,647,048.21, 362,446,604.60 and 143,564,297.19 is: 198,115,274.52
Step by Step Solution
- Step 1: Write the proportion equation
262,647,048.21 : 362,446,604.60 = 143,564,297.19 : x - Step 2: Convert to fraction form
262,647,048.21/362,446,604.60 = 143,564,297.19/x - Step 3: Cross multiply
262,647,048.21x = 362,446,604.60 × 143,564,297.19 - Step 4: Simplify right side
262,647,048.21x = 52,034,392,058,300,824 - Step 5: Solve for x
x = 52,034,392,058,300,824/262,647,048.21 - Step 6: Final answer
x = 198,115,274.52
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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.