Home / 64,156,638.70-96,234,958.05-18,723,025.90

Finding the Fourth Proportional to 64,156,638.70, 96,234,958.05 and 18,723,025.90

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Solution

The fourth proportional to 64,156,638.70, 96,234,958.05 and 18,723,025.90 is: 28,084,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156,638.70 : 96,234,958.05 = 18,723,025.90 : x
  2. Step 2: Convert to fraction form
    64,156,638.70/96,234,958.05 = 18,723,025.90/x
  3. Step 3: Cross multiply
    64,156,638.70x = 96,234,958.05 × 18,723,025.90
  4. Step 4: Simplify right side
    64,156,638.70x = 1,801,809,612,055,563.25
  5. Step 5: Solve for x
    x = 1,801,809,612,055,563.25/64,156,638.70
  6. Step 6: Final answer
    x = 28,084,538.85

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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.