Finding the Fourth Proportional to 261,013,542.21, 360,096,742.60 and 149,444,756.19
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Solution
The fourth proportional to 261,013,542.21, 360,096,742.60 and 149,444,756.19 is: 206,175,393.99
Step by Step Solution
- Step 1: Write the proportion equation
261,013,542.21 : 360,096,742.60 = 149,444,756.19 : x - Step 2: Convert to fraction form
261,013,542.21/360,096,742.60 = 149,444,756.19/x - Step 3: Cross multiply
261,013,542.21x = 360,096,742.60 × 149,444,756.19 - Step 4: Simplify right side
261,013,542.21x = 53,814,569,902,296,576 - Step 5: Solve for x
x = 53,814,569,902,296,576/261,013,542.21 - Step 6: Final answer
x = 206,175,393.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.