Home / 101,073,921.64-139,482,012-54,664,175.68

Finding the Fourth Proportional to 101,073,921.64, 139,482,012 and 54,664,175.68

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Solution

The fourth proportional to 101,073,921.64, 139,482,012 and 54,664,175.68 is: 75,436,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,073,921.64 : 139,482,012 = 54,664,175.68 : x
  2. Step 2: Convert to fraction form
    101,073,921.64/139,482,012 = 54,664,175.68/x
  3. Step 3: Cross multiply
    101,073,921.64x = 139,482,012 × 54,664,175.68
  4. Step 4: Simplify right side
    101,073,921.64x = 7,624,669,208,167,868
  5. Step 5: Solve for x
    x = 7,624,669,208,167,868/101,073,921.64
  6. Step 6: Final answer
    x = 75,436,562.51

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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.