Home / 101,073,919.64-139,482,009.24-54,664,173.68

Finding the Fourth Proportional to 101,073,919.64, 139,482,009.24 and 54,664,173.68

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Solution

The fourth proportional to 101,073,919.64, 139,482,009.24 and 54,664,173.68 is: 75,436,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,073,919.64 : 139,482,009.24 = 54,664,173.68 : x
  2. Step 2: Convert to fraction form
    101,073,919.64/139,482,009.24 = 54,664,173.68/x
  3. Step 3: Cross multiply
    101,073,919.64x = 139,482,009.24 × 54,664,173.68
  4. Step 4: Simplify right side
    101,073,919.64x = 7,624,668,778,330,725
  5. Step 5: Solve for x
    x = 7,624,668,778,330,725/101,073,919.64
  6. Step 6: Final answer
    x = 75,436,559.75

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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.