Finding the Fourth Proportional to 197,738,879.84, 296,779,080.72 and 137,197,121.12
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Solution
The fourth proportional to 197,738,879.84, 296,779,080.72 and 137,197,121.12 is: 205,914,160.72
Step by Step Solution
- Step 1: Write the proportion equation
197,738,879.84 : 296,779,080.72 = 137,197,121.12 : x - Step 2: Convert to fraction form
197,738,879.84/296,779,080.72 = 137,197,121.12/x - Step 3: Cross multiply
197,738,879.84x = 296,779,080.72 × 137,197,121.12 - Step 4: Simplify right side
197,738,879.84x = 40,717,235,483,424,104 - Step 5: Solve for x
x = 40,717,235,483,424,104/197,738,879.84 - Step 6: Final answer
x = 205,914,160.72
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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.