Home / 135,961,928,215.72-187,628,044,255.96-74,163,844,602.96

Finding the Fourth Proportional to 135,961,928,215.72, 187,628,044,255.96 and 74,163,844,602.96

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Solution

The fourth proportional to 135,961,928,215.72, 187,628,044,255.96 and 74,163,844,602.96 is: 102,346,423,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,961,928,215.72 : 187,628,044,255.96 = 74,163,844,602.96 : x
  2. Step 2: Convert to fraction form
    135,961,928,215.72/187,628,044,255.96 = 74,163,844,602.96/x
  3. Step 3: Cross multiply
    135,961,928,215.72x = 187,628,044,255.96 × 74,163,844,602.96
  4. Step 4: Simplify right side
    135,961,928,215.72x = 13,915,217,117,355,565,907,968
  5. Step 5: Solve for x
    x = 13,915,217,117,355,565,907,968/135,961,928,215.72
  6. Step 6: Final answer
    x = 102,346,423,737.66

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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.