Finding the Fourth Proportional to 135,621,810, 203,432,919.12 and 62,798,909.04
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Solution
The fourth proportional to 135,621,810, 203,432,919.12 and 62,798,909.04 is: 94,198,458.08
Step by Step Solution
- Step 1: Write the proportion equation
135,621,810 : 203,432,919.12 = 62,798,909.04 : x - Step 2: Convert to fraction form
135,621,810/203,432,919.12 = 62,798,909.04/x - Step 3: Cross multiply
135,621,810x = 203,432,919.12 × 62,798,909.04 - Step 4: Simplify right side
135,621,810x = 12,775,365,383,558,556 - Step 5: Solve for x
x = 12,775,365,383,558,556/135,621,810 - Step 6: Final answer
x = 94,198,458.08
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1.5x scale
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.