Home / 106,372,101.60-159,563,401.20-55,353,765.60

Finding the Fourth Proportional to 106,372,101.60, 159,563,401.20 and 55,353,765.60

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Solution

The fourth proportional to 106,372,101.60, 159,563,401.20 and 55,353,765.60 is: 83,033,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,372,101.60 : 159,563,401.20 = 55,353,765.60 : x
  2. Step 2: Convert to fraction form
    106,372,101.60/159,563,401.20 = 55,353,765.60/x
  3. Step 3: Cross multiply
    106,372,101.60x = 159,563,401.20 × 55,353,765.60
  4. Step 4: Simplify right side
    106,372,101.60x = 8,832,435,108,363,558
  5. Step 5: Solve for x
    x = 8,832,435,108,363,558/106,372,101.60
  6. Step 6: Final answer
    x = 83,033,379.76

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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.