Finding the Fourth Proportional to 113,883,408.80, 170,825,113.20 and 70,885,239.20
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Solution
The fourth proportional to 113,883,408.80, 170,825,113.20 and 70,885,239.20 is: 106,327,858.80
Step by Step Solution
- Step 1: Write the proportion equation
113,883,408.80 : 170,825,113.20 = 70,885,239.20 : x - Step 2: Convert to fraction form
113,883,408.80/170,825,113.20 = 70,885,239.20/x - Step 3: Cross multiply
113,883,408.80x = 170,825,113.20 × 70,885,239.20 - Step 4: Simplify right side
113,883,408.80x = 12,108,979,010,549,078 - Step 5: Solve for x
x = 12,108,979,010,549,078/113,883,408.80 - Step 6: Final answer
x = 106,327,858.80
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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.