Finding the Fourth Proportional to 80,881,462.20, 121,322,193.30 and 60,726,070.20
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Solution
The fourth proportional to 80,881,462.20, 121,322,193.30 and 60,726,070.20 is: 91,089,105.30
Step by Step Solution
- Step 1: Write the proportion equation
80,881,462.20 : 121,322,193.30 = 60,726,070.20 : x - Step 2: Convert to fraction form
80,881,462.20/121,322,193.30 = 60,726,070.20/x - Step 3: Cross multiply
80,881,462.20x = 121,322,193.30 × 60,726,070.20 - Step 4: Simplify right side
80,881,462.20x = 7,367,420,027,153,770 - Step 5: Solve for x
x = 7,367,420,027,153,770/80,881,462.20 - Step 6: Final answer
x = 91,089,105.30
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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.