Home / 43,503,238.76-65,112,919.98-31,985,652.20

Finding the Fourth Proportional to 43,503,238.76, 65,112,919.98 and 31,985,652.20

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Solution

The fourth proportional to 43,503,238.76, 65,112,919.98 and 31,985,652.20 is: 47,874,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,503,238.76 : 65,112,919.98 = 31,985,652.20 : x
  2. Step 2: Convert to fraction form
    43,503,238.76/65,112,919.98 = 31,985,652.20/x
  3. Step 3: Cross multiply
    43,503,238.76x = 65,112,919.98 × 31,985,652.20
  4. Step 4: Simplify right side
    43,503,238.76x = 2,082,679,212,206,710.75
  5. Step 5: Solve for x
    x = 2,082,679,212,206,710.75/43,503,238.76
  6. Step 6: Final answer
    x = 47,874,118.61

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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.