Finding the Fourth Proportional to 198,194,389.50, 297,294,574.07 and 68,806,110.44
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Solution
The fourth proportional to 198,194,389.50, 297,294,574.07 and 68,806,110.44 is: 103,210,203.62
Step by Step Solution
- Step 1: Write the proportion equation
198,194,389.50 : 297,294,574.07 = 68,806,110.44 : x - Step 2: Convert to fraction form
198,194,389.50/297,294,574.07 = 68,806,110.44/x - Step 3: Cross multiply
198,194,389.50x = 297,294,574.07 × 68,806,110.44 - Step 4: Simplify right side
198,194,389.50x = 20,455,683,296,673,180 - Step 5: Solve for x
x = 20,455,683,296,673,180/198,194,389.50 - Step 6: Final answer
x = 103,210,203.62
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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.