Finding the Fourth Proportional to 125,984,259.21, 188,935,538.40 and 48,257,027.22
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Solution
The fourth proportional to 125,984,259.21, 188,935,538.40 and 48,257,027.22 is: 72,369,893.48
Step by Step Solution
- Step 1: Write the proportion equation
125,984,259.21 : 188,935,538.40 = 48,257,027.22 : x - Step 2: Convert to fraction form
125,984,259.21/188,935,538.40 = 48,257,027.22/x - Step 3: Cross multiply
125,984,259.21x = 188,935,538.40 × 48,257,027.22 - Step 4: Simplify right side
125,984,259.21x = 9,117,467,419,394,156 - Step 5: Solve for x
x = 9,117,467,419,394,156/125,984,259.21 - Step 6: Final answer
x = 72,369,893.48
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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.