Home / 255,869,544.72-383,714,514-71,587,500.96

Finding the Fourth Proportional to 255,869,544.72, 383,714,514 and 71,587,500.96

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Solution

The fourth proportional to 255,869,544.72, 383,714,514 and 71,587,500.96 is: 107,356,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,869,544.72 : 383,714,514 = 71,587,500.96 : x
  2. Step 2: Convert to fraction form
    255,869,544.72/383,714,514 = 71,587,500.96/x
  3. Step 3: Cross multiply
    255,869,544.72x = 383,714,514 × 71,587,500.96
  4. Step 4: Simplify right side
    255,869,544.72x = 27,469,163,139,340,932
  5. Step 5: Solve for x
    x = 27,469,163,139,340,932/255,869,544.72
  6. Step 6: Final answer
    x = 107,356,126.22

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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.