Finding the Fourth Proportional to 125,422,137.51, 173,082,549.66 and 70,419,174.99
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Solution
The fourth proportional to 125,422,137.51, 173,082,549.66 and 70,419,174.99 is: 97,178,461.43
Step by Step Solution
- Step 1: Write the proportion equation
125,422,137.51 : 173,082,549.66 = 70,419,174.99 : x - Step 2: Convert to fraction form
125,422,137.51/173,082,549.66 = 70,419,174.99/x - Step 3: Cross multiply
125,422,137.51x = 173,082,549.66 × 70,419,174.99 - Step 4: Simplify right side
125,422,137.51x = 12,188,330,352,222,904 - Step 5: Solve for x
x = 12,188,330,352,222,904/125,422,137.51 - Step 6: Final answer
x = 97,178,461.43
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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.