Home / 135,961,927,981.96-187,628,043,933.45-74,163,844,369.33

Finding the Fourth Proportional to 135,961,927,981.96, 187,628,043,933.45 and 74,163,844,369.33

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Solution

The fourth proportional to 135,961,927,981.96, 187,628,043,933.45 and 74,163,844,369.33 is: 102,346,423,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,961,927,981.96 : 187,628,043,933.45 = 74,163,844,369.33 : x
  2. Step 2: Convert to fraction form
    135,961,927,981.96/187,628,043,933.45 = 74,163,844,369.33/x
  3. Step 3: Cross multiply
    135,961,927,981.96x = 187,628,043,933.45 × 74,163,844,369.33
  4. Step 4: Simplify right side
    135,961,927,981.96x = 13,915,217,049,602,198,863,872
  5. Step 5: Solve for x
    x = 13,915,217,049,602,198,863,872/135,961,927,981.96
  6. Step 6: Final answer
    x = 102,346,423,415.30

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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.