Home / 255,346,807.28-383,074,011.20-82,810,167.36

Finding the Fourth Proportional to 255,346,807.28, 383,074,011.20 and 82,810,167.36

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Solution

The fourth proportional to 255,346,807.28, 383,074,011.20 and 82,810,167.36 is: 124,232,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,346,807.28 : 383,074,011.20 = 82,810,167.36 : x
  2. Step 2: Convert to fraction form
    255,346,807.28/383,074,011.20 = 82,810,167.36/x
  3. Step 3: Cross multiply
    255,346,807.28x = 383,074,011.20 × 82,810,167.36
  4. Step 4: Simplify right side
    255,346,807.28x = 31,722,422,978,738,512
  5. Step 5: Solve for x
    x = 31,722,422,978,738,512/255,346,807.28
  6. Step 6: Final answer
    x = 124,232,698.72

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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.