Finding the Fourth Proportional to 230,916,568.80, 318,664,924.80 and 126,498,352.20
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Solution
The fourth proportional to 230,916,568.80, 318,664,924.80 and 126,498,352.20 is: 174,567,758.83
Step by Step Solution
- Step 1: Write the proportion equation
230,916,568.80 : 318,664,924.80 = 126,498,352.20 : x - Step 2: Convert to fraction form
230,916,568.80/318,664,924.80 = 126,498,352.20/x - Step 3: Cross multiply
230,916,568.80x = 318,664,924.80 × 126,498,352.20 - Step 4: Simplify right side
230,916,568.80x = 40,310,587,891,136,920 - Step 5: Solve for x
x = 40,310,587,891,136,920/230,916,568.80 - Step 6: Final answer
x = 174,567,758.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.