Finding the Fourth Proportional to 90,230,757.12, 135,348,760.08 and 22,073,427
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Solution
The fourth proportional to 90,230,757.12, 135,348,760.08 and 22,073,427 is: 33,110,782.52
Step by Step Solution
- Step 1: Write the proportion equation
90,230,757.12 : 135,348,760.08 = 22,073,427 : x - Step 2: Convert to fraction form
90,230,757.12/135,348,760.08 = 22,073,427/x - Step 3: Cross multiply
90,230,757.12x = 135,348,760.08 × 22,073,427 - Step 4: Simplify right side
90,230,757.12x = 2,987,610,975,166,394.50 - Step 5: Solve for x
x = 2,987,610,975,166,394.50/90,230,757.12 - Step 6: Final answer
x = 33,110,782.52
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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.