Home / 49,408,873.20-74,113,309.80-13,507,081.20

Finding the Fourth Proportional to 49,408,873.20, 74,113,309.80 and 13,507,081.20

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Solution

The fourth proportional to 49,408,873.20, 74,113,309.80 and 13,507,081.20 is: 20,260,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408,873.20 : 74,113,309.80 = 13,507,081.20 : x
  2. Step 2: Convert to fraction form
    49,408,873.20/74,113,309.80 = 13,507,081.20/x
  3. Step 3: Cross multiply
    49,408,873.20x = 74,113,309.80 × 13,507,081.20
  4. Step 4: Simplify right side
    49,408,873.20x = 1,001,054,493,469,355.62
  5. Step 5: Solve for x
    x = 1,001,054,493,469,355.62/49,408,873.20
  6. Step 6: Final answer
    x = 20,260,621.80

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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.