Finding the Fourth Proportional to 67,967,740.60, 101,951,610.90 and 19,447,177.30
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Solution
The fourth proportional to 67,967,740.60, 101,951,610.90 and 19,447,177.30 is: 29,170,765.95
Step by Step Solution
- Step 1: Write the proportion equation
67,967,740.60 : 101,951,610.90 = 19,447,177.30 : x - Step 2: Convert to fraction form
67,967,740.60/101,951,610.90 = 19,447,177.30/x - Step 3: Cross multiply
67,967,740.60x = 101,951,610.90 × 19,447,177.30 - Step 4: Simplify right side
67,967,740.60x = 1,982,671,053,192,912.75 - Step 5: Solve for x
x = 1,982,671,053,192,912.75/67,967,740.60 - Step 6: Final answer
x = 29,170,765.95
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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.