Finding the Fourth Proportional to 289,257,167.36, 433,837,778.88 and 95,170,949.12
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Solution
The fourth proportional to 289,257,167.36, 433,837,778.88 and 95,170,949.12 is: 142,740,639.95
Step by Step Solution
- Step 1: Write the proportion equation
289,257,167.36 : 433,837,778.88 = 95,170,949.12 : x - Step 2: Convert to fraction form
289,257,167.36/433,837,778.88 = 95,170,949.12/x - Step 3: Cross multiply
289,257,167.36x = 433,837,778.88 × 95,170,949.12 - Step 4: Simplify right side
289,257,167.36x = 41,288,753,180,122,296 - Step 5: Solve for x
x = 41,288,753,180,122,296/289,257,167.36 - Step 6: Final answer
x = 142,740,639.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.