Home / 66,945,284.41-100,378,908.64-25,956,838.75

Finding the Fourth Proportional to 66,945,284.41, 100,378,908.64 and 25,956,838.75

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Solution

The fourth proportional to 66,945,284.41, 100,378,908.64 and 25,956,838.75 is: 38,920,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945,284.41 : 100,378,908.64 = 25,956,838.75 : x
  2. Step 2: Convert to fraction form
    66,945,284.41/100,378,908.64 = 25,956,838.75/x
  3. Step 3: Cross multiply
    66,945,284.41x = 100,378,908.64 × 25,956,838.75
  4. Step 4: Simplify right side
    66,945,284.41x = 2,605,519,145,469,462
  5. Step 5: Solve for x
    x = 2,605,519,145,469,462/66,945,284.41
  6. Step 6: Final answer
    x = 38,920,129.60

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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.