Finding the Fourth Proportional to 212,096,096.18, 292,688,025.14 and 122,791,806.37
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Solution
The fourth proportional to 212,096,096.18, 292,688,025.14 and 122,791,806.37 is: 169,450,036.83
Step by Step Solution
- Step 1: Write the proportion equation
212,096,096.18 : 292,688,025.14 = 122,791,806.37 : x - Step 2: Convert to fraction form
212,096,096.18/292,688,025.14 = 122,791,806.37/x - Step 3: Cross multiply
212,096,096.18x = 292,688,025.14 × 122,791,806.37 - Step 4: Simplify right side
212,096,096.18x = 35,939,691,309,383,832 - Step 5: Solve for x
x = 35,939,691,309,383,832/212,096,096.18 - Step 6: Final answer
x = 169,450,036.83
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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.