Finding the Fourth Proportional to 154,638,576.23, 213,405,673.55 and 94,291,107.14
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Solution
The fourth proportional to 154,638,576.23, 213,405,673.55 and 94,291,107.14 is: 130,124,434.15
Step by Step Solution
- Step 1: Write the proportion equation
154,638,576.23 : 213,405,673.55 = 94,291,107.14 : x - Step 2: Convert to fraction form
154,638,576.23/213,405,673.55 = 94,291,107.14/x - Step 3: Cross multiply
154,638,576.23x = 213,405,673.55 × 94,291,107.14 - Step 4: Simplify right side
154,638,576.23x = 20,122,257,229,048,972 - Step 5: Solve for x
x = 20,122,257,229,048,972/154,638,576.23 - Step 6: Final answer
x = 130,124,434.15
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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.