Finding the Fourth Proportional to 51,135,609.30, 70,566,673.41 and 27,930,729.30
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Solution
The fourth proportional to 51,135,609.30, 70,566,673.41 and 27,930,729.30 is: 38,544,151.12
Step by Step Solution
- Step 1: Write the proportion equation
51,135,609.30 : 70,566,673.41 = 27,930,729.30 : x - Step 2: Convert to fraction form
51,135,609.30/70,566,673.41 = 27,930,729.30/x - Step 3: Cross multiply
51,135,609.30x = 70,566,673.41 × 27,930,729.30 - Step 4: Simplify right side
51,135,609.30x = 1,970,978,652,616,217.75 - Step 5: Solve for x
x = 1,970,978,652,616,217.75/51,135,609.30 - Step 6: Final answer
x = 38,544,151.12
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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.