Finding the Fourth Proportional to 244,396,528.70, 367,019,945.85 and 129,605,272.70
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Solution
The fourth proportional to 244,396,528.70, 367,019,945.85 and 129,605,272.70 is: 194,633,370.70
Step by Step Solution
- Step 1: Write the proportion equation
244,396,528.70 : 367,019,945.85 = 129,605,272.70 : x - Step 2: Convert to fraction form
244,396,528.70/367,019,945.85 = 129,605,272.70/x - Step 3: Cross multiply
244,396,528.70x = 367,019,945.85 × 129,605,272.70 - Step 4: Simplify right side
244,396,528.70x = 47,567,720,168,228,488 - Step 5: Solve for x
x = 47,567,720,168,228,488/244,396,528.70 - Step 6: Final answer
x = 194,633,370.70
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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.