Finding the Fourth Proportional to 259,093,489.20, 388,708,299.76 and 93,113,751.84
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Solution
The fourth proportional to 259,093,489.20, 388,708,299.76 and 93,113,751.84 is: 139,695,089.50
Step by Step Solution
- Step 1: Write the proportion equation
259,093,489.20 : 388,708,299.76 = 93,113,751.84 : x - Step 2: Convert to fraction form
259,093,489.20/388,708,299.76 = 93,113,751.84/x - Step 3: Cross multiply
259,093,489.20x = 388,708,299.76 × 93,113,751.84 - Step 4: Simplify right side
259,093,489.20x = 36,194,088,162,000,976 - Step 5: Solve for x
x = 36,194,088,162,000,976/259,093,489.20 - Step 6: Final answer
x = 139,695,089.50
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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.