Finding the Fourth Proportional to 79,930,402.56, 110,306,629.44 and 48,984,595.56
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Solution
The fourth proportional to 79,930,402.56, 110,306,629.44 and 48,984,595.56 is: 67,600,380.55
Step by Step Solution
- Step 1: Write the proportion equation
79,930,402.56 : 110,306,629.44 = 48,984,595.56 : x - Step 2: Convert to fraction form
79,930,402.56/110,306,629.44 = 48,984,595.56/x - Step 3: Cross multiply
79,930,402.56x = 110,306,629.44 × 48,984,595.56 - Step 4: Simplify right side
79,930,402.56x = 5,403,325,630,705,189 - Step 5: Solve for x
x = 5,403,325,630,705,189/79,930,402.56 - Step 6: Final answer
x = 67,600,380.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.