Finding the Fourth Proportional to 273,026,081.70, 409,539,122.55 and 100,626,621.30
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Solution
The fourth proportional to 273,026,081.70, 409,539,122.55 and 100,626,621.30 is: 150,939,931.95
Step by Step Solution
- Step 1: Write the proportion equation
273,026,081.70 : 409,539,122.55 = 100,626,621.30 : x - Step 2: Convert to fraction form
273,026,081.70/409,539,122.55 = 100,626,621.30/x - Step 3: Cross multiply
273,026,081.70x = 409,539,122.55 × 100,626,621.30 - Step 4: Simplify right side
273,026,081.70x = 41,210,538,192,373,144 - Step 5: Solve for x
x = 41,210,538,192,373,144/273,026,081.70 - Step 6: Final answer
x = 150,939,931.95
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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.