Finding the Fourth Proportional to 271,918,535.26, 407,957,394.64 and 87,682,306.12
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Solution
The fourth proportional to 271,918,535.26, 407,957,394.64 and 87,682,306.12 is: 131,549,124.18
Step by Step Solution
- Step 1: Write the proportion equation
271,918,535.26 : 407,957,394.64 = 87,682,306.12 : x - Step 2: Convert to fraction form
271,918,535.26/407,957,394.64 = 87,682,306.12/x - Step 3: Cross multiply
271,918,535.26x = 407,957,394.64 × 87,682,306.12 - Step 4: Simplify right side
271,918,535.26x = 35,770,645,160,742,128 - Step 5: Solve for x
x = 35,770,645,160,742,128/271,918,535.26 - Step 6: Final answer
x = 131,549,124.18
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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.