Finding the Fourth Proportional to 76,050,519.12, 114,059,815.53 and 21,450,335.97
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Solution
The fourth proportional to 76,050,519.12, 114,059,815.53 and 21,450,335.97 is: 32,171,001.49
Step by Step Solution
- Step 1: Write the proportion equation
76,050,519.12 : 114,059,815.53 = 21,450,335.97 : x - Step 2: Convert to fraction form
76,050,519.12/114,059,815.53 = 21,450,335.97/x - Step 3: Cross multiply
76,050,519.12x = 114,059,815.53 × 21,450,335.97 - Step 4: Simplify right side
76,050,519.12x = 2,446,621,363,794,723.50 - Step 5: Solve for x
x = 2,446,621,363,794,723.50/76,050,519.12 - Step 6: Final answer
x = 32,171,001.49
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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.