Finding the Fourth Proportional to 87,404,438.12, 120,618,106.42 and 48,246,204.49
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Solution
The fourth proportional to 87,404,438.12, 120,618,106.42 and 48,246,204.49 is: 66,579,752.15
Step by Step Solution
- Step 1: Write the proportion equation
87,404,438.12 : 120,618,106.42 = 48,246,204.49 : x - Step 2: Convert to fraction form
87,404,438.12/120,618,106.42 = 48,246,204.49/x - Step 3: Cross multiply
87,404,438.12x = 120,618,106.42 × 48,246,204.49 - Step 4: Simplify right side
87,404,438.12x = 5,819,365,826,691,581 - Step 5: Solve for x
x = 5,819,365,826,691,581/87,404,438.12 - Step 6: Final answer
x = 66,579,752.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.