Finding the Fourth Proportional to 260,265,759.40, 390,126,245.82 and 87,682,934.44
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Solution
The fourth proportional to 260,265,759.40, 390,126,245.82 and 87,682,934.44 is: 131,432,632.99
Step by Step Solution
- Step 1: Write the proportion equation
260,265,759.40 : 390,126,245.82 = 87,682,934.44 : x - Step 2: Convert to fraction form
260,265,759.40/390,126,245.82 = 87,682,934.44/x - Step 3: Cross multiply
260,265,759.40x = 390,126,245.82 × 87,682,934.44 - Step 4: Simplify right side
260,265,759.40x = 34,207,414,035,558,384 - Step 5: Solve for x
x = 34,207,414,035,558,384/260,265,759.40 - Step 6: Final answer
x = 131,432,632.99
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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.