Finding the Fourth Proportional to 126,117,182.99, 189,260,209.89 and 52,341,024.44
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Solution
The fourth proportional to 126,117,182.99, 189,260,209.89 and 52,341,024.44 is: 78,546,578.96
Step by Step Solution
- Step 1: Write the proportion equation
126,117,182.99 : 189,260,209.89 = 52,341,024.44 : x - Step 2: Convert to fraction form
126,117,182.99/189,260,209.89 = 52,341,024.44/x - Step 3: Cross multiply
126,117,182.99x = 189,260,209.89 × 52,341,024.44 - Step 4: Simplify right side
126,117,182.99x = 9,906,073,271,372,018 - Step 5: Solve for x
x = 9,906,073,271,372,018/126,117,182.99 - Step 6: Final answer
x = 78,546,578.96
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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.