Home / 48,408,076.80-72,612,115.20-18,112,003.20

Finding the Fourth Proportional to 48,408,076.80, 72,612,115.20 and 18,112,003.20

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Solution

The fourth proportional to 48,408,076.80, 72,612,115.20 and 18,112,003.20 is: 27,168,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408,076.80 : 72,612,115.20 = 18,112,003.20 : x
  2. Step 2: Convert to fraction form
    48,408,076.80/72,612,115.20 = 18,112,003.20/x
  3. Step 3: Cross multiply
    48,408,076.80x = 72,612,115.20 × 18,112,003.20
  4. Step 4: Simplify right side
    48,408,076.80x = 1,315,150,862,861,168.75
  5. Step 5: Solve for x
    x = 1,315,150,862,861,168.75/48,408,076.80
  6. Step 6: Final answer
    x = 27,168,004.80

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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.