Home / 59,815,408.20-89,723,112.30-19,429,974.60

Finding the Fourth Proportional to 59,815,408.20, 89,723,112.30 and 19,429,974.60

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Solution

The fourth proportional to 59,815,408.20, 89,723,112.30 and 19,429,974.60 is: 29,144,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,815,408.20 : 89,723,112.30 = 19,429,974.60 : x
  2. Step 2: Convert to fraction form
    59,815,408.20/89,723,112.30 = 19,429,974.60/x
  3. Step 3: Cross multiply
    59,815,408.20x = 89,723,112.30 × 19,429,974.60
  4. Step 4: Simplify right side
    59,815,408.20x = 1,743,317,793,021,947.75
  5. Step 5: Solve for x
    x = 1,743,317,793,021,947.75/59,815,408.20
  6. Step 6: Final answer
    x = 29,144,961.90

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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.