Finding the Fourth Proportional to 45,969,176.20, 68,948,234.70 and 19,040,024.20
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Solution
The fourth proportional to 45,969,176.20, 68,948,234.70 and 19,040,024.20 is: 28,557,745.99
Step by Step Solution
- Step 1: Write the proportion equation
45,969,176.20 : 68,948,234.70 = 19,040,024.20 : x - Step 2: Convert to fraction form
45,969,176.20/68,948,234.70 = 19,040,024.20/x - Step 3: Cross multiply
45,969,176.20x = 68,948,234.70 × 19,040,024.20 - Step 4: Simplify right side
45,969,176.20x = 1,312,776,057,235,279.75 - Step 5: Solve for x
x = 1,312,776,057,235,279.75/45,969,176.20 - Step 6: Final answer
x = 28,557,745.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.