Home / 53,066,729.36-79,615,023.96-18,992,919.44

Finding the Fourth Proportional to 53,066,729.36, 79,615,023.96 and 18,992,919.44

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Solution

The fourth proportional to 53,066,729.36, 79,615,023.96 and 18,992,919.44 is: 28,494,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,066,729.36 : 79,615,023.96 = 18,992,919.44 : x
  2. Step 2: Convert to fraction form
    53,066,729.36/79,615,023.96 = 18,992,919.44/x
  3. Step 3: Cross multiply
    53,066,729.36x = 79,615,023.96 × 18,992,919.44
  4. Step 4: Simplify right side
    53,066,729.36x = 1,512,121,736,285,949.75
  5. Step 5: Solve for x
    x = 1,512,121,736,285,949.75/53,066,729.36
  6. Step 6: Final answer
    x = 28,494,722.67

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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.