Home / 57,102,441.55-78,801,469.31-30,996,977.07

Finding the Fourth Proportional to 57,102,441.55, 78,801,469.31 and 30,996,977.07

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Solution

The fourth proportional to 57,102,441.55, 78,801,469.31 and 30,996,977.07 is: 42,775,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,441.55 : 78,801,469.31 = 30,996,977.07 : x
  2. Step 2: Convert to fraction form
    57,102,441.55/78,801,469.31 = 30,996,977.07/x
  3. Step 3: Cross multiply
    57,102,441.55x = 78,801,469.31 × 30,996,977.07
  4. Step 4: Simplify right side
    57,102,441.55x = 2,442,607,337,284,379
  5. Step 5: Solve for x
    x = 2,442,607,337,284,379/57,102,441.55
  6. Step 6: Final answer
    x = 42,775,882.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.