Home / 254,646,089.79-381,930,758.91-163,169,074.59

Finding the Fourth Proportional to 254,646,089.79, 381,930,758.91 and 163,169,074.59

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Solution

The fourth proportional to 254,646,089.79, 381,930,758.91 and 163,169,074.59 is: 244,729,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,646,089.79 : 381,930,758.91 = 163,169,074.59 : x
  2. Step 2: Convert to fraction form
    254,646,089.79/381,930,758.91 = 163,169,074.59/x
  3. Step 3: Cross multiply
    254,646,089.79x = 381,930,758.91 × 163,169,074.59
  4. Step 4: Simplify right side
    254,646,089.79x = 62,319,288,488,801,104
  5. Step 5: Solve for x
    x = 62,319,288,488,801,104/254,646,089.79
  6. Step 6: Final answer
    x = 244,729,021.92

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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.