Finding the Fourth Proportional to 216,219,749.82, 298,381,775.97 and 117,098,217.60
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Solution
The fourth proportional to 216,219,749.82, 298,381,775.97 and 117,098,217.60 is: 161,594,739.42
Step by Step Solution
- Step 1: Write the proportion equation
216,219,749.82 : 298,381,775.97 = 117,098,217.60 : x - Step 2: Convert to fraction form
216,219,749.82/298,381,775.97 = 117,098,217.60/x - Step 3: Cross multiply
216,219,749.82x = 298,381,775.97 × 117,098,217.60 - Step 4: Simplify right side
216,219,749.82x = 34,939,974,130,409,512 - Step 5: Solve for x
x = 34,939,974,130,409,512/216,219,749.82 - Step 6: Final answer
x = 161,594,739.42
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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.