Finding the Fourth Proportional to 167,882,338.79, 231,678,546.56 and 97,359,761.94
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Solution
The fourth proportional to 167,882,338.79, 231,678,546.56 and 97,359,761.94 is: 134,357,004.45
Step by Step Solution
- Step 1: Write the proportion equation
167,882,338.79 : 231,678,546.56 = 97,359,761.94 : x - Step 2: Convert to fraction form
167,882,338.79/231,678,546.56 = 97,359,761.94/x - Step 3: Cross multiply
167,882,338.79x = 231,678,546.56 × 97,359,761.94 - Step 4: Simplify right side
167,882,338.79x = 22,556,168,139,686,804 - Step 5: Solve for x
x = 22,556,168,139,686,804/167,882,338.79 - Step 6: Final answer
x = 134,357,004.45
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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.