Home / 135,961,928,216.42-187,628,044,256.90-74,163,844,603.64

Finding the Fourth Proportional to 135,961,928,216.42, 187,628,044,256.90 and 74,163,844,603.64

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Solution

The fourth proportional to 135,961,928,216.42, 187,628,044,256.90 and 74,163,844,603.64 is: 102,346,423,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,961,928,216.42 : 187,628,044,256.90 = 74,163,844,603.64 : x
  2. Step 2: Convert to fraction form
    135,961,928,216.42/187,628,044,256.90 = 74,163,844,603.64/x
  3. Step 3: Cross multiply
    135,961,928,216.42x = 187,628,044,256.90 × 74,163,844,603.64
  4. Step 4: Simplify right side
    135,961,928,216.42x = 13,915,217,117,552,681,418,752
  5. Step 5: Solve for x
    x = 13,915,217,117,552,681,418,752/135,961,928,216.42
  6. Step 6: Final answer
    x = 102,346,423,738.58

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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.