Finding the Fourth Proportional to 147,019,885.44, 202,883,733.60 and 80,939,724.18
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Solution
The fourth proportional to 147,019,885.44, 202,883,733.60 and 80,939,724.18 is: 111,694,777.81
Step by Step Solution
- Step 1: Write the proportion equation
147,019,885.44 : 202,883,733.60 = 80,939,724.18 : x - Step 2: Convert to fraction form
147,019,885.44/202,883,733.60 = 80,939,724.18/x - Step 3: Cross multiply
147,019,885.44x = 202,883,733.60 × 80,939,724.18 - Step 4: Simplify right side
147,019,885.44x = 16,421,353,438,192,600 - Step 5: Solve for x
x = 16,421,353,438,192,600/147,019,885.44 - Step 6: Final answer
x = 111,694,777.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.