Finding the Fourth Proportional to 122,350,734.20, 183,526,101.30 and 73,977,793.40
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Solution
The fourth proportional to 122,350,734.20, 183,526,101.30 and 73,977,793.40 is: 110,966,690.10
Step by Step Solution
- Step 1: Write the proportion equation
122,350,734.20 : 183,526,101.30 = 73,977,793.40 : x - Step 2: Convert to fraction form
122,350,734.20/183,526,101.30 = 73,977,793.40/x - Step 3: Cross multiply
122,350,734.20x = 183,526,101.30 × 73,977,793.40 - Step 4: Simplify right side
122,350,734.20x = 13,576,856,005,478,874 - Step 5: Solve for x
x = 13,576,856,005,478,874/122,350,734.20 - Step 6: Final answer
x = 110,966,690.10
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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.