Home / 73,872,002.20-110,808,003.30-43,638,914.20

Finding the Fourth Proportional to 73,872,002.20, 110,808,003.30 and 43,638,914.20

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Solution

The fourth proportional to 73,872,002.20, 110,808,003.30 and 43,638,914.20 is: 65,458,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,002.20 : 110,808,003.30 = 43,638,914.20 : x
  2. Step 2: Convert to fraction form
    73,872,002.20/110,808,003.30 = 43,638,914.20/x
  3. Step 3: Cross multiply
    73,872,002.20x = 110,808,003.30 × 43,638,914.20
  4. Step 4: Simplify right side
    73,872,002.20x = 4,835,540,948,682,017
  5. Step 5: Solve for x
    x = 4,835,540,948,682,017/73,872,002.20
  6. Step 6: Final answer
    x = 65,458,371.30

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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.