Home / 64,370,917.92-96,650,863.92-40,212,786.72

Finding the Fourth Proportional to 64,370,917.92, 96,650,863.92 and 40,212,786.72

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Solution

The fourth proportional to 64,370,917.92, 96,650,863.92 and 40,212,786.72 is: 60,378,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370,917.92 : 96,650,863.92 = 40,212,786.72 : x
  2. Step 2: Convert to fraction form
    64,370,917.92/96,650,863.92 = 40,212,786.72/x
  3. Step 3: Cross multiply
    64,370,917.92x = 96,650,863.92 × 40,212,786.72
  4. Step 4: Simplify right side
    64,370,917.92x = 3,886,600,577,118,703
  5. Step 5: Solve for x
    x = 3,886,600,577,118,703/64,370,917.92
  6. Step 6: Final answer
    x = 60,378,206.54

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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.