Finding the Fourth Proportional to 54,321,135.56, 74,950,045.36 and 34,467,662.18
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Solution
The fourth proportional to 54,321,135.56, 74,950,045.36 and 34,467,662.18 is: 47,557,047.86
Step by Step Solution
- Step 1: Write the proportion equation
54,321,135.56 : 74,950,045.36 = 34,467,662.18 : x - Step 2: Convert to fraction form
54,321,135.56/74,950,045.36 = 34,467,662.18/x - Step 3: Cross multiply
54,321,135.56x = 74,950,045.36 × 34,467,662.18 - Step 4: Simplify right side
54,321,135.56x = 2,583,352,843,383,237 - Step 5: Solve for x
x = 2,583,352,843,383,237/54,321,135.56 - Step 6: Final answer
x = 47,557,047.86
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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.