Home / 138,402,273.70-207,603,410.55-80,864,928.10

Finding the Fourth Proportional to 138,402,273.70, 207,603,410.55 and 80,864,928.10

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Solution

The fourth proportional to 138,402,273.70, 207,603,410.55 and 80,864,928.10 is: 121,297,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,402,273.70 : 207,603,410.55 = 80,864,928.10 : x
  2. Step 2: Convert to fraction form
    138,402,273.70/207,603,410.55 = 80,864,928.10/x
  3. Step 3: Cross multiply
    138,402,273.70x = 207,603,410.55 × 80,864,928.10
  4. Step 4: Simplify right side
    138,402,273.70x = 16,787,834,867,440,532
  5. Step 5: Solve for x
    x = 16,787,834,867,440,532/138,402,273.70
  6. Step 6: Final answer
    x = 121,297,392.15

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