Home / 139,519,350.56-192,535,175.77-76,794,107.45

Finding the Fourth Proportional to 139,519,350.56, 192,535,175.77 and 76,794,107.45

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Solution

The fourth proportional to 139,519,350.56, 192,535,175.77 and 76,794,107.45 is: 105,975,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,350.56 : 192,535,175.77 = 76,794,107.45 : x
  2. Step 2: Convert to fraction form
    139,519,350.56/192,535,175.77 = 76,794,107.45/x
  3. Step 3: Cross multiply
    139,519,350.56x = 192,535,175.77 × 76,794,107.45
  4. Step 4: Simplify right side
    139,519,350.56x = 14,785,566,974,831,354
  5. Step 5: Solve for x
    x = 14,785,566,974,831,354/139,519,350.56
  6. Step 6: Final answer
    x = 105,975,027.23

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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.