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Finding the Fourth Proportional to 79,347,861.30, 119,014,793.55 and 21,835,010.10

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Solution

The fourth proportional to 79,347,861.30, 119,014,793.55 and 21,835,010.10 is: 32,750,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,347,861.30 : 119,014,793.55 = 21,835,010.10 : x
  2. Step 2: Convert to fraction form
    79,347,861.30/119,014,793.55 = 21,835,010.10/x
  3. Step 3: Cross multiply
    79,347,861.30x = 119,014,793.55 × 21,835,010.10
  4. Step 4: Simplify right side
    79,347,861.30x = 2,598,689,219,213,665
  5. Step 5: Solve for x
    x = 2,598,689,219,213,665/79,347,861.30
  6. Step 6: Final answer
    x = 32,750,589.32

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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.