Home / 55,375,166,723.91-76,416,733,954.58-31,288,671,195.50

Finding the Fourth Proportional to 55,375,166,723.91, 76,416,733,954.58 and 31,288,671,195.50

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Solution

The fourth proportional to 55,375,166,723.91, 76,416,733,954.58 and 31,288,671,195.50 is: 43,177,803,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375,166,723.91 : 76,416,733,954.58 = 31,288,671,195.50 : x
  2. Step 2: Convert to fraction form
    55,375,166,723.91/76,416,733,954.58 = 31,288,671,195.50/x
  3. Step 3: Cross multiply
    55,375,166,723.91x = 76,416,733,954.58 × 31,288,671,195.50
  4. Step 4: Simplify right side
    55,375,166,723.91x = 2,390,978,062,538,729,062,400
  5. Step 5: Solve for x
    x = 2,390,978,062,538,729,062,400/55,375,166,723.91
  6. Step 6: Final answer
    x = 43,177,803,408.88

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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.