Finding the Fourth Proportional to 80,789,578.74, 121,363,729.56 and 50,106,832.56
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Solution
The fourth proportional to 80,789,578.74, 121,363,729.56 and 50,106,832.56 is: 75,271,491.33
Step by Step Solution
- Step 1: Write the proportion equation
80,789,578.74 : 121,363,729.56 = 50,106,832.56 : x - Step 2: Convert to fraction form
80,789,578.74/121,363,729.56 = 50,106,832.56/x - Step 3: Cross multiply
80,789,578.74x = 121,363,729.56 × 50,106,832.56 - Step 4: Simplify right side
80,789,578.74x = 6,081,152,075,920,043 - Step 5: Solve for x
x = 6,081,152,075,920,043/80,789,578.74 - Step 6: Final answer
x = 75,271,491.33
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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.