Home / 214,488,997.92-295,986,101.40-121,667,512.86

Finding the Fourth Proportional to 214,488,997.92, 295,986,101.40 and 121,667,512.86

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Solution

The fourth proportional to 214,488,997.92, 295,986,101.40 and 121,667,512.86 is: 167,896,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,488,997.92 : 295,986,101.40 = 121,667,512.86 : x
  2. Step 2: Convert to fraction form
    214,488,997.92/295,986,101.40 = 121,667,512.86/x
  3. Step 3: Cross multiply
    214,488,997.92x = 295,986,101.40 × 121,667,512.86
  4. Step 4: Simplify right side
    214,488,997.92x = 36,011,892,798,465,760
  5. Step 5: Solve for x
    x = 36,011,892,798,465,760/214,488,997.92
  6. Step 6: Final answer
    x = 167,896,223.80

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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.