Home / 90,659,170,353.29-135,917,102,364.76-45,256,576,771.61

Finding the Fourth Proportional to 90,659,170,353.29, 135,917,102,364.76 and 45,256,576,771.61

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Solution

The fourth proportional to 90,659,170,353.29, 135,917,102,364.76 and 45,256,576,771.61 is: 67,849,096,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,659,170,353.29 : 135,917,102,364.76 = 45,256,576,771.61 : x
  2. Step 2: Convert to fraction form
    90,659,170,353.29/135,917,102,364.76 = 45,256,576,771.61/x
  3. Step 3: Cross multiply
    90,659,170,353.29x = 135,917,102,364.76 × 45,256,576,771.61
  4. Step 4: Simplify right side
    90,659,170,353.29x = 6,151,142,777,745,536,188,416
  5. Step 5: Solve for x
    x = 6,151,142,777,745,536,188,416/90,659,170,353.29
  6. Step 6: Final answer
    x = 67,849,096,277.58

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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.