Home / 255,346,749.81-383,073,924.92-82,810,109.84

Finding the Fourth Proportional to 255,346,749.81, 383,073,924.92 and 82,810,109.84

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Solution

The fourth proportional to 255,346,749.81, 383,073,924.92 and 82,810,109.84 is: 124,232,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,346,749.81 : 383,073,924.92 = 82,810,109.84 : x
  2. Step 2: Convert to fraction form
    255,346,749.81/383,073,924.92 = 82,810,109.84/x
  3. Step 3: Cross multiply
    255,346,749.81x = 383,073,924.92 × 82,810,109.84
  4. Step 4: Simplify right side
    255,346,749.81x = 31,722,393,797,135,692
  5. Step 5: Solve for x
    x = 31,722,393,797,135,692/255,346,749.81
  6. Step 6: Final answer
    x = 124,232,612.40

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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.