Finding the Fourth Proportional to 122,801,554.10, 184,202,331.15 and 112,757,319.20
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Solution
The fourth proportional to 122,801,554.10, 184,202,331.15 and 112,757,319.20 is: 169,135,978.80
Step by Step Solution
- Step 1: Write the proportion equation
122,801,554.10 : 184,202,331.15 = 112,757,319.20 : x - Step 2: Convert to fraction form
122,801,554.10/184,202,331.15 = 112,757,319.20/x - Step 3: Cross multiply
122,801,554.10x = 184,202,331.15 × 112,757,319.20 - Step 4: Simplify right side
122,801,554.10x = 20,770,161,050,864,656 - Step 5: Solve for x
x = 20,770,161,050,864,656/122,801,554.10 - Step 6: Final answer
x = 169,135,978.80
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1.5x scale
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.