Finding the Fourth Proportional to 261,013,543.21, 360,096,743.98 and 149,444,757.19
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Solution
The fourth proportional to 261,013,543.21, 360,096,743.98 and 149,444,757.19 is: 206,175,395.37
Step by Step Solution
- Step 1: Write the proportion equation
261,013,543.21 : 360,096,743.98 = 149,444,757.19 : x - Step 2: Convert to fraction form
261,013,543.21/360,096,743.98 = 149,444,757.19/x - Step 3: Cross multiply
261,013,543.21x = 360,096,743.98 × 149,444,757.19 - Step 4: Simplify right side
261,013,543.21x = 53,814,570,469,000,696 - Step 5: Solve for x
x = 53,814,570,469,000,696/261,013,543.21 - Step 6: Final answer
x = 206,175,395.37
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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.