Home / 145,545,626.21-200,870,576.73-82,836,970.88

Finding the Fourth Proportional to 145,545,626.21, 200,870,576.73 and 82,836,970.88

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Solution

The fourth proportional to 145,545,626.21, 200,870,576.73 and 82,836,970.88 is: 114,325,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,545,626.21 : 200,870,576.73 = 82,836,970.88 : x
  2. Step 2: Convert to fraction form
    145,545,626.21/200,870,576.73 = 82,836,970.88/x
  3. Step 3: Cross multiply
    145,545,626.21x = 200,870,576.73 × 82,836,970.88
  4. Step 4: Simplify right side
    145,545,626.21x = 16,639,510,114,227,462
  5. Step 5: Solve for x
    x = 16,639,510,114,227,462/145,545,626.21
  6. Step 6: Final answer
    x = 114,325,043.96

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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.