Finding the Fourth Proportional to 177,811,381.78, 266,717,072.67 and 117,212,936.02
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Solution
The fourth proportional to 177,811,381.78, 266,717,072.67 and 117,212,936.02 is: 175,819,404.03
Step by Step Solution
- Step 1: Write the proportion equation
177,811,381.78 : 266,717,072.67 = 117,212,936.02 : x - Step 2: Convert to fraction form
177,811,381.78/266,717,072.67 = 117,212,936.02/x - Step 3: Cross multiply
177,811,381.78x = 266,717,072.67 × 117,212,936.02 - Step 4: Simplify right side
177,811,381.78x = 31,262,691,174,310,396 - Step 5: Solve for x
x = 31,262,691,174,310,396/177,811,381.78 - Step 6: Final answer
x = 175,819,404.03
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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.