Finding the Fourth Proportional to 69,448,219.98, 104,162,189.70 and 20,250,853.08
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Solution
The fourth proportional to 69,448,219.98, 104,162,189.70 and 20,250,853.08 is: 30,373,322.75
Step by Step Solution
- Step 1: Write the proportion equation
69,448,219.98 : 104,162,189.70 = 20,250,853.08 : x - Step 2: Convert to fraction form
69,448,219.98/104,162,189.70 = 20,250,853.08/x - Step 3: Cross multiply
69,448,219.98x = 104,162,189.70 × 20,250,853.08 - Step 4: Simplify right side
69,448,219.98x = 2,109,373,200,105,789.25 - Step 5: Solve for x
x = 2,109,373,200,105,789.25/69,448,219.98 - Step 6: Final answer
x = 30,373,322.75
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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.