Home / 219,438,421.20-329,147,134.20-73,857,704.40

Finding the Fourth Proportional to 219,438,421.20, 329,147,134.20 and 73,857,704.40

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Solution

The fourth proportional to 219,438,421.20, 329,147,134.20 and 73,857,704.40 is: 110,783,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,438,421.20 : 329,147,134.20 = 73,857,704.40 : x
  2. Step 2: Convert to fraction form
    219,438,421.20/329,147,134.20 = 73,857,704.40/x
  3. Step 3: Cross multiply
    219,438,421.20x = 329,147,134.20 × 73,857,704.40
  4. Step 4: Simplify right side
    219,438,421.20x = 24,310,051,741,850,732
  5. Step 5: Solve for x
    x = 24,310,051,741,850,732/219,438,421.20
  6. Step 6: Final answer
    x = 110,783,023.36

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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.