Finding the Fourth Proportional to 198,800,254.09, 298,100,593.99 and 115,828,863.13
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Solution
The fourth proportional to 198,800,254.09, 298,100,593.99 and 115,828,863.13 is: 173,685,154.77
Step by Step Solution
- Step 1: Write the proportion equation
198,800,254.09 : 298,100,593.99 = 115,828,863.13 : x - Step 2: Convert to fraction form
198,800,254.09/298,100,593.99 = 115,828,863.13/x - Step 3: Cross multiply
198,800,254.09x = 298,100,593.99 × 115,828,863.13 - Step 4: Simplify right side
198,800,254.09x = 34,528,652,898,169,764 - Step 5: Solve for x
x = 34,528,652,898,169,764/198,800,254.09 - Step 6: Final answer
x = 173,685,154.77
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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.