Home / 255,869,542.72-383,714,511-71,587,498.96

Finding the Fourth Proportional to 255,869,542.72, 383,714,511 and 71,587,498.96

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Solution

The fourth proportional to 255,869,542.72, 383,714,511 and 71,587,498.96 is: 107,356,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,869,542.72 : 383,714,511 = 71,587,498.96 : x
  2. Step 2: Convert to fraction form
    255,869,542.72/383,714,511 = 71,587,498.96/x
  3. Step 3: Cross multiply
    255,869,542.72x = 383,714,511 × 71,587,498.96
  4. Step 4: Simplify right side
    255,869,542.72x = 27,469,162,157,149,408
  5. Step 5: Solve for x
    x = 27,469,162,157,149,408/255,869,542.72
  6. Step 6: Final answer
    x = 107,356,123.22

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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.