Finding the Fourth Proportional to 120,686,529.98, 181,029,794.97 and 29,810,118.98
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Solution
The fourth proportional to 120,686,529.98, 181,029,794.97 and 29,810,118.98 is: 44,715,178.46
Step by Step Solution
- Step 1: Write the proportion equation
120,686,529.98 : 181,029,794.97 = 29,810,118.98 : x - Step 2: Convert to fraction form
120,686,529.98/181,029,794.97 = 29,810,118.98/x - Step 3: Cross multiply
120,686,529.98x = 181,029,794.97 × 29,810,118.98 - Step 4: Simplify right side
120,686,529.98x = 5,396,519,726,075,557 - Step 5: Solve for x
x = 5,396,519,726,075,557/120,686,529.98 - Step 6: Final answer
x = 44,715,178.46
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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.