Home / 135,961,928,215.82-187,628,044,256.09-74,163,844,603.05

Finding the Fourth Proportional to 135,961,928,215.82, 187,628,044,256.09 and 74,163,844,603.05

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Solution

The fourth proportional to 135,961,928,215.82, 187,628,044,256.09 and 74,163,844,603.05 is: 102,346,423,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,961,928,215.82 : 187,628,044,256.09 = 74,163,844,603.05 : x
  2. Step 2: Convert to fraction form
    135,961,928,215.82/187,628,044,256.09 = 74,163,844,603.05/x
  3. Step 3: Cross multiply
    135,961,928,215.82x = 187,628,044,256.09 × 74,163,844,603.05
  4. Step 4: Simplify right side
    135,961,928,215.82x = 13,915,217,117,381,908,234,240
  5. Step 5: Solve for x
    x = 13,915,217,117,381,908,234,240/135,961,928,215.82
  6. Step 6: Final answer
    x = 102,346,423,737.78

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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.