Home / 64,162,871.76-96,205,867.08-20,424,733.68

Finding the Fourth Proportional to 64,162,871.76, 96,205,867.08 and 20,424,733.68

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Solution

The fourth proportional to 64,162,871.76, 96,205,867.08 and 20,424,733.68 is: 30,624,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162,871.76 : 96,205,867.08 = 20,424,733.68 : x
  2. Step 2: Convert to fraction form
    64,162,871.76/96,205,867.08 = 20,424,733.68/x
  3. Step 3: Cross multiply
    64,162,871.76x = 96,205,867.08 × 20,424,733.68
  4. Step 4: Simplify right side
    64,162,871.76x = 1,964,979,213,562,479.25
  5. Step 5: Solve for x
    x = 1,964,979,213,562,479.25/64,162,871.76
  6. Step 6: Final answer
    x = 30,624,863.88

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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.