Home / 64,708,399.44-89,299,794.92-38,269,417.20

Finding the Fourth Proportional to 64,708,399.44, 89,299,794.92 and 38,269,417.20

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Solution

The fourth proportional to 64,708,399.44, 89,299,794.92 and 38,269,417.20 is: 52,813,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,708,399.44 : 89,299,794.92 = 38,269,417.20 : x
  2. Step 2: Convert to fraction form
    64,708,399.44/89,299,794.92 = 38,269,417.20/x
  3. Step 3: Cross multiply
    64,708,399.44x = 89,299,794.92 × 38,269,417.20
  4. Step 4: Simplify right side
    64,708,399.44x = 3,417,451,107,667,921
  5. Step 5: Solve for x
    x = 3,417,451,107,667,921/64,708,399.44
  6. Step 6: Final answer
    x = 52,813,099.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.