Finding the Fourth Proportional to 71,358,195.70, 100,103,027.90 and 71,358,195.70
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Solution
The fourth proportional to 71,358,195.70, 100,103,027.90 and 71,358,195.70 is: 100,103,027.90
Step by Step Solution
- Step 1: Write the proportion equation
71,358,195.70 : 100,103,027.90 = 71,358,195.70 : x - Step 2: Convert to fraction form
71,358,195.70/100,103,027.90 = 71,358,195.70/x - Step 3: Cross multiply
71,358,195.70x = 100,103,027.90 × 71,358,195.70 - Step 4: Simplify right side
71,358,195.70x = 7,143,171,455,050,761 - Step 5: Solve for x
x = 7,143,171,455,050,761/71,358,195.70 - Step 6: Final answer
x = 100,103,027.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.