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Finding the Fourth Proportional to 147,978,750.15, 207,510,372.45 and 147,978,750.15

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Solution

The fourth proportional to 147,978,750.15, 207,510,372.45 and 147,978,750.15 is: 207,510,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,978,750.15 : 207,510,372.45 = 147,978,750.15 : x
  2. Step 2: Convert to fraction form
    147,978,750.15/207,510,372.45 = 147,978,750.15/x
  3. Step 3: Cross multiply
    147,978,750.15x = 207,510,372.45 × 147,978,750.15
  4. Step 4: Simplify right side
    147,978,750.15x = 30,707,125,558,311,992
  5. Step 5: Solve for x
    x = 30,707,125,558,311,992/147,978,750.15
  6. Step 6: Final answer
    x = 207,510,372.45

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