Finding the Fourth Proportional to 79,722,145.80, 119,583,218.70 and 25,869,457.80
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Solution
The fourth proportional to 79,722,145.80, 119,583,218.70 and 25,869,457.80 is: 38,804,186.70
Step by Step Solution
- Step 1: Write the proportion equation
79,722,145.80 : 119,583,218.70 = 25,869,457.80 : x - Step 2: Convert to fraction form
79,722,145.80/119,583,218.70 = 25,869,457.80/x - Step 3: Cross multiply
79,722,145.80x = 119,583,218.70 × 25,869,457.80 - Step 4: Simplify right side
79,722,145.80x = 3,093,553,029,747,821 - Step 5: Solve for x
x = 3,093,553,029,747,821/79,722,145.80 - Step 6: Final answer
x = 38,804,186.70
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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.