Finding the Fourth Proportional to 198,194,388.50, 297,294,572.57 and 68,806,109.44
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Solution
The fourth proportional to 198,194,388.50, 297,294,572.57 and 68,806,109.44 is: 103,210,202.12
Step by Step Solution
- Step 1: Write the proportion equation
198,194,388.50 : 297,294,572.57 = 68,806,109.44 : x - Step 2: Convert to fraction form
198,194,388.50/297,294,572.57 = 68,806,109.44/x - Step 3: Cross multiply
198,194,388.50x = 297,294,572.57 × 68,806,109.44 - Step 4: Simplify right side
198,194,388.50x = 20,455,682,896,197,028 - Step 5: Solve for x
x = 20,455,682,896,197,028/198,194,388.50 - Step 6: Final answer
x = 103,210,202.12
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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.