Finding the Fourth Proportional to 259,431,879.66, 358,024,025.07 and 141,962,161.02
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Solution
The fourth proportional to 259,431,879.66, 358,024,025.07 and 141,962,161.02 is: 195,912,176.88
Step by Step Solution
- Step 1: Write the proportion equation
259,431,879.66 : 358,024,025.07 = 141,962,161.02 : x - Step 2: Convert to fraction form
259,431,879.66/358,024,025.07 = 141,962,161.02/x - Step 3: Cross multiply
259,431,879.66x = 358,024,025.07 × 141,962,161.02 - Step 4: Simplify right side
259,431,879.66x = 50,825,864,296,015,856 - Step 5: Solve for x
x = 50,825,864,296,015,856/259,431,879.66 - Step 6: Final answer
x = 195,912,176.88
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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.