Finding the Fourth Proportional to 126,117,181.99, 189,260,208.39 and 52,341,023.44
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Solution
The fourth proportional to 126,117,181.99, 189,260,208.39 and 52,341,023.44 is: 78,546,577.45
Step by Step Solution
- Step 1: Write the proportion equation
126,117,181.99 : 189,260,208.39 = 52,341,023.44 : x - Step 2: Convert to fraction form
126,117,181.99/189,260,208.39 = 52,341,023.44/x - Step 3: Cross multiply
126,117,181.99x = 189,260,208.39 × 52,341,023.44 - Step 4: Simplify right side
126,117,181.99x = 9,906,073,002,653,974 - Step 5: Solve for x
x = 9,906,073,002,653,974/126,117,181.99 - Step 6: Final answer
x = 78,546,577.45
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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.