Finding the Fourth Proportional to 87,242,027.21, 120,394,730.12 and 48,083,903.99
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Solution
The fourth proportional to 87,242,027.21, 120,394,730.12 and 48,083,903.99 is: 66,356,191.26
Step by Step Solution
- Step 1: Write the proportion equation
87,242,027.21 : 120,394,730.12 = 48,083,903.99 : x - Step 2: Convert to fraction form
87,242,027.21/120,394,730.12 = 48,083,903.99/x - Step 3: Cross multiply
87,242,027.21x = 120,394,730.12 × 48,083,903.99 - Step 4: Simplify right side
87,242,027.21x = 5,789,048,643,149,648 - Step 5: Solve for x
x = 5,789,048,643,149,648/87,242,027.21 - Step 6: Final answer
x = 66,356,191.26
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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.