Home / 145,545,628.21-200,870,579.49-82,836,972.88

Finding the Fourth Proportional to 145,545,628.21, 200,870,579.49 and 82,836,972.88

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Solution

The fourth proportional to 145,545,628.21, 200,870,579.49 and 82,836,972.88 is: 114,325,046.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,545,628.21 : 200,870,579.49 = 82,836,972.88 : x
  2. Step 2: Convert to fraction form
    145,545,628.21/200,870,579.49 = 82,836,972.88/x
  3. Step 3: Cross multiply
    145,545,628.21x = 200,870,579.49 × 82,836,972.88
  4. Step 4: Simplify right side
    145,545,628.21x = 16,639,510,745,603,014
  5. Step 5: Solve for x
    x = 16,639,510,745,603,014/145,545,628.21
  6. Step 6: Final answer
    x = 114,325,046.72

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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.