Home / 60,508,809.72-90,764,004.42-20,119,293.72

Finding the Fourth Proportional to 60,508,809.72, 90,764,004.42 and 20,119,293.72

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Solution

The fourth proportional to 60,508,809.72, 90,764,004.42 and 20,119,293.72 is: 30,179,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,508,809.72 : 90,764,004.42 = 20,119,293.72 : x
  2. Step 2: Convert to fraction form
    60,508,809.72/90,764,004.42 = 20,119,293.72/x
  3. Step 3: Cross multiply
    60,508,809.72x = 90,764,004.42 × 20,119,293.72
  4. Step 4: Simplify right side
    60,508,809.72x = 1,826,107,664,129,358.25
  5. Step 5: Solve for x
    x = 1,826,107,664,129,358.25/60,508,809.72
  6. Step 6: Final answer
    x = 30,179,203.20

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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.