Finding the Fourth Proportional to 80,803,639.58, 121,222,481.99 and 26,211,962.46
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Solution
The fourth proportional to 80,803,639.58, 121,222,481.99 and 26,211,962.46 is: 39,323,465.67
Step by Step Solution
- Step 1: Write the proportion equation
80,803,639.58 : 121,222,481.99 = 26,211,962.46 : x - Step 2: Convert to fraction form
80,803,639.58/121,222,481.99 = 26,211,962.46/x - Step 3: Cross multiply
80,803,639.58x = 121,222,481.99 × 26,211,962.46 - Step 4: Simplify right side
80,803,639.58x = 3,177,479,146,871,554 - Step 5: Solve for x
x = 3,177,479,146,871,554/80,803,639.58 - Step 6: Final answer
x = 39,323,465.67
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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.