Finding the Fourth Proportional to 75,505,834.92, 113,082,392.70 and 69,408,828.84
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Solution
The fourth proportional to 75,505,834.92, 113,082,392.70 and 69,408,828.84 is: 103,951,124.41
Step by Step Solution
- Step 1: Write the proportion equation
75,505,834.92 : 113,082,392.70 = 69,408,828.84 : x - Step 2: Convert to fraction form
75,505,834.92/113,082,392.70 = 69,408,828.84/x - Step 3: Cross multiply
75,505,834.92x = 113,082,392.70 × 69,408,828.84 - Step 4: Simplify right side
75,505,834.92x = 7,848,916,439,731,966 - Step 5: Solve for x
x = 7,848,916,439,731,966/75,505,834.92 - Step 6: Final answer
x = 103,951,124.41
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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.