Finding the Fourth Proportional to 61,094,138.70, 91,641,208.05 and 20,704,622.70
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Solution
The fourth proportional to 61,094,138.70, 91,641,208.05 and 20,704,622.70 is: 31,056,934.05
Step by Step Solution
- Step 1: Write the proportion equation
61,094,138.70 : 91,641,208.05 = 20,704,622.70 : x - Step 2: Convert to fraction form
61,094,138.70/91,641,208.05 = 20,704,622.70/x - Step 3: Cross multiply
61,094,138.70x = 91,641,208.05 × 20,704,622.70 - Step 4: Simplify right side
61,094,138.70x = 1,897,396,636,447,452.50 - Step 5: Solve for x
x = 1,897,396,636,447,452.50/61,094,138.70 - Step 6: Final answer
x = 31,056,934.05
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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.