Finding the Fourth Proportional to 49,294,503.99, 73,948,481.68 and 20,533,913.54
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Solution
The fourth proportional to 49,294,503.99, 73,948,481.68 and 20,533,913.54 is: 30,803,671.94
Step by Step Solution
- Step 1: Write the proportion equation
49,294,503.99 : 73,948,481.68 = 20,533,913.54 : x - Step 2: Convert to fraction form
49,294,503.99/73,948,481.68 = 20,533,913.54/x - Step 3: Cross multiply
49,294,503.99x = 73,948,481.68 × 20,533,913.54 - Step 4: Simplify right side
49,294,503.99x = 1,518,451,729,231,394 - Step 5: Solve for x
x = 1,518,451,729,231,394/49,294,503.99 - Step 6: Final answer
x = 30,803,671.94
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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.