Home / 118,024,037.49-162,807,786.83-82,794,294.61

Finding the Fourth Proportional to 118,024,037.49, 162,807,786.83 and 82,794,294.61

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Solution

The fourth proportional to 118,024,037.49, 162,807,786.83 and 82,794,294.61 is: 114,210,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,024,037.49 : 162,807,786.83 = 82,794,294.61 : x
  2. Step 2: Convert to fraction form
    118,024,037.49/162,807,786.83 = 82,794,294.61/x
  3. Step 3: Cross multiply
    118,024,037.49x = 162,807,786.83 × 82,794,294.61
  4. Step 4: Simplify right side
    118,024,037.49x = 13,479,555,867,397,576
  5. Step 5: Solve for x
    x = 13,479,555,867,397,576/118,024,037.49
  6. Step 6: Final answer
    x = 114,210,258.81

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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.