Finding the Fourth Proportional to 275,374,114.14, 412,909,902.09 and 189,134,219.10
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Solution
The fourth proportional to 275,374,114.14, 412,909,902.09 and 189,134,219.10 is: 283,597,433.02
Step by Step Solution
- Step 1: Write the proportion equation
275,374,114.14 : 412,909,902.09 = 189,134,219.10 : x - Step 2: Convert to fraction form
275,374,114.14/412,909,902.09 = 189,134,219.10/x - Step 3: Cross multiply
275,374,114.14x = 412,909,902.09 × 189,134,219.10 - Step 4: Simplify right side
275,374,114.14x = 78,095,391,890,449,600 - Step 5: Solve for x
x = 78,095,391,890,449,600/275,374,114.14 - Step 6: Final answer
x = 283,597,433.02
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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.