Finding the Fourth Proportional to 122,575,163.23, 169,152,327.36 and 66,819,353.64
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Solution
The fourth proportional to 122,575,163.23, 169,152,327.36 and 66,819,353.64 is: 92,209,945.99
Step by Step Solution
- Step 1: Write the proportion equation
122,575,163.23 : 169,152,327.36 = 66,819,353.64 : x - Step 2: Convert to fraction form
122,575,163.23/169,152,327.36 = 66,819,353.64/x - Step 3: Cross multiply
122,575,163.23x = 169,152,327.36 × 66,819,353.64 - Step 4: Simplify right side
122,575,163.23x = 11,302,649,181,319,630 - Step 5: Solve for x
x = 11,302,649,181,319,630/122,575,163.23 - Step 6: Final answer
x = 92,209,945.99
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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.