Home / 187,307,669,709.98-281,016,696,745.77-75,455,086,659.74

Finding the Fourth Proportional to 187,307,669,709.98, 281,016,696,745.77 and 75,455,086,659.74

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Solution

The fourth proportional to 187,307,669,709.98, 281,016,696,745.77 and 75,455,086,659.74 is: 113,204,863,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,307,669,709.98 : 281,016,696,745.77 = 75,455,086,659.74 : x
  2. Step 2: Convert to fraction form
    187,307,669,709.98/281,016,696,745.77 = 75,455,086,659.74/x
  3. Step 3: Cross multiply
    187,307,669,709.98x = 281,016,696,745.77 × 75,455,086,659.74
  4. Step 4: Simplify right side
    187,307,669,709.98x = 21,204,139,205,785,953,501,184
  5. Step 5: Solve for x
    x = 21,204,139,205,785,953,501,184/187,307,669,709.98
  6. Step 6: Final answer
    x = 113,204,863,626.88

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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.