Finding the Fourth Proportional to 154,907,480.01, 213,777,569.01 and 84,345,826.79
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Solution
The fourth proportional to 154,907,480.01, 213,777,569.01 and 84,345,826.79 is: 116,400,097.70
Step by Step Solution
- Step 1: Write the proportion equation
154,907,480.01 : 213,777,569.01 = 84,345,826.79 : x - Step 2: Convert to fraction form
154,907,480.01/213,777,569.01 = 84,345,826.79/x - Step 3: Cross multiply
154,907,480.01x = 213,777,569.01 × 84,345,826.79 - Step 4: Simplify right side
154,907,480.01x = 18,031,245,807,304,732 - Step 5: Solve for x
x = 18,031,245,807,304,732/154,907,480.01 - Step 6: Final answer
x = 116,400,097.70
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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.