Home / 99,408,033.80-149,023,404.30-38,809,665.80

Finding the Fourth Proportional to 99,408,033.80, 149,023,404.30 and 38,809,665.80

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Solution

The fourth proportional to 99,408,033.80, 149,023,404.30 and 38,809,665.80 is: 58,179,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,408,033.80 : 149,023,404.30 = 38,809,665.80 : x
  2. Step 2: Convert to fraction form
    99,408,033.80/149,023,404.30 = 38,809,665.80/x
  3. Step 3: Cross multiply
    99,408,033.80x = 149,023,404.30 × 38,809,665.80
  4. Step 4: Simplify right side
    99,408,033.80x = 5,783,548,517,261,283
  5. Step 5: Solve for x
    x = 5,783,548,517,261,283/99,408,033.80
  6. Step 6: Final answer
    x = 58,179,890.46

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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.