Finding the Fourth Proportional to 177,811,361.78, 266,717,042.67 and 117,212,916.02
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Solution
The fourth proportional to 177,811,361.78, 266,717,042.67 and 117,212,916.02 is: 175,819,374.03
Step by Step Solution
- Step 1: Write the proportion equation
177,811,361.78 : 266,717,042.67 = 117,212,916.02 : x - Step 2: Convert to fraction form
177,811,361.78/266,717,042.67 = 117,212,916.02/x - Step 3: Cross multiply
177,811,361.78x = 266,717,042.67 × 117,212,916.02 - Step 4: Simplify right side
177,811,361.78x = 31,262,682,323,581,464 - Step 5: Solve for x
x = 31,262,682,323,581,464/177,811,361.78 - Step 6: Final answer
x = 175,819,374.03
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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.