Finding the Fourth Proportional to 79,879,246.24, 110,198,346.96 and 46,822,736.80
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Solution
The fourth proportional to 79,879,246.24, 110,198,346.96 and 46,822,736.80 is: 64,594,853.34
Step by Step Solution
- Step 1: Write the proportion equation
79,879,246.24 : 110,198,346.96 = 46,822,736.80 : x - Step 2: Convert to fraction form
79,879,246.24/110,198,346.96 = 46,822,736.80/x - Step 3: Cross multiply
79,879,246.24x = 110,198,346.96 × 46,822,736.80 - Step 4: Simplify right side
79,879,246.24x = 5,159,788,195,503,159 - Step 5: Solve for x
x = 5,159,788,195,503,159/79,879,246.24 - Step 6: Final answer
x = 64,594,853.34
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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.