Finding the Fourth Proportional to 80,911,215.08, 121,341,524.68 and 27,045,929.96
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Solution
The fourth proportional to 80,911,215.08, 121,341,524.68 and 27,045,929.96 is: 40,560,438.68
Step by Step Solution
- Step 1: Write the proportion equation
80,911,215.08 : 121,341,524.68 = 27,045,929.96 : x - Step 2: Convert to fraction form
80,911,215.08/121,341,524.68 = 27,045,929.96/x - Step 3: Cross multiply
80,911,215.08x = 121,341,524.68 × 27,045,929.96 - Step 4: Simplify right side
80,911,215.08x = 3,281,794,377,734,891.50 - Step 5: Solve for x
x = 3,281,794,377,734,891.50/80,911,215.08 - Step 6: Final answer
x = 40,560,438.68
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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.