Home / 219,425,926.11-329,135,535.75-53,430,983.43

Finding the Fourth Proportional to 219,425,926.11, 329,135,535.75 and 53,430,983.43

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Solution

The fourth proportional to 219,425,926.11, 329,135,535.75 and 53,430,983.43 is: 80,145,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,425,926.11 : 329,135,535.75 = 53,430,983.43 : x
  2. Step 2: Convert to fraction form
    219,425,926.11/329,135,535.75 = 53,430,983.43/x
  3. Step 3: Cross multiply
    219,425,926.11x = 329,135,535.75 × 53,430,983.43
  4. Step 4: Simplify right side
    219,425,926.11x = 17,586,035,356,882,422
  5. Step 5: Solve for x
    x = 17,586,035,356,882,422/219,425,926.11
  6. Step 6: Final answer
    x = 80,145,658.58

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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.