Finding the Fourth Proportional to 68,259,793.05, 102,389,689.58 and 68,259,793.05
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Solution
The fourth proportional to 68,259,793.05, 102,389,689.58 and 68,259,793.05 is: 102,389,689.58
Step by Step Solution
- Step 1: Write the proportion equation
68,259,793.05 : 102,389,689.58 = 68,259,793.05 : x - Step 2: Convert to fraction form
68,259,793.05/102,389,689.58 = 68,259,793.05/x - Step 3: Cross multiply
68,259,793.05x = 102,389,689.58 × 68,259,793.05 - Step 4: Simplify right side
68,259,793.05x = 6,989,099,020,843,242 - Step 5: Solve for x
x = 6,989,099,020,843,242/68,259,793.05 - Step 6: Final answer
x = 102,389,689.58
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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.