Finding the Fourth Proportional to 104,980,610.70, 157,470,916.05 and 98,603,318.70
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Solution
The fourth proportional to 104,980,610.70, 157,470,916.05 and 98,603,318.70 is: 147,904,978.05
Step by Step Solution
- Step 1: Write the proportion equation
104,980,610.70 : 157,470,916.05 = 98,603,318.70 : x - Step 2: Convert to fraction form
104,980,610.70/157,470,916.05 = 98,603,318.70/x - Step 3: Cross multiply
104,980,610.70x = 157,470,916.05 × 98,603,318.70 - Step 4: Simplify right side
104,980,610.70x = 15,527,154,921,259,096 - Step 5: Solve for x
x = 15,527,154,921,259,096/104,980,610.70 - Step 6: Final answer
x = 147,904,978.05
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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.