Finding the Fourth Proportional to 197,814,872.26, 296,767,513.68 and 68,422,373.20
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Solution
The fourth proportional to 197,814,872.26, 296,767,513.68 and 68,422,373.20 is: 102,649,195.90
Step by Step Solution
- Step 1: Write the proportion equation
197,814,872.26 : 296,767,513.68 = 68,422,373.20 : x - Step 2: Convert to fraction form
197,814,872.26/296,767,513.68 = 68,422,373.20/x - Step 3: Cross multiply
197,814,872.26x = 296,767,513.68 × 68,422,373.20 - Step 4: Simplify right side
197,814,872.26x = 20,305,537,574,649,068 - Step 5: Solve for x
x = 20,305,537,574,649,068/197,814,872.26 - Step 6: Final answer
x = 102,649,195.90
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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.