Finding the Fourth Proportional to 92,301,882.21, 127,415,817.99 and 57,511,761.75
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Solution
The fourth proportional to 92,301,882.21, 127,415,817.99 and 57,511,761.75 is: 79,390,668.88
Step by Step Solution
- Step 1: Write the proportion equation
92,301,882.21 : 127,415,817.99 = 57,511,761.75 : x - Step 2: Convert to fraction form
92,301,882.21/127,415,817.99 = 57,511,761.75/x - Step 3: Cross multiply
92,301,882.21x = 127,415,817.99 × 57,511,761.75 - Step 4: Simplify right side
92,301,882.21x = 7,327,908,167,422,244 - Step 5: Solve for x
x = 7,327,908,167,422,244/92,301,882.21 - Step 6: Final answer
x = 79,390,668.88
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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.