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Finding the Fourth Proportional to 113,335,416.90, 169,719,690.15 and 90,660,600.90

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Solution

The fourth proportional to 113,335,416.90, 169,719,690.15 and 90,660,600.90 is: 135,764,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335,416.90 : 169,719,690.15 = 90,660,600.90 : x
  2. Step 2: Convert to fraction form
    113,335,416.90/169,719,690.15 = 90,660,600.90/x
  3. Step 3: Cross multiply
    113,335,416.90x = 169,719,690.15 × 90,660,600.90
  4. Step 4: Simplify right side
    113,335,416.90x = 15,386,889,093,560,812
  5. Step 5: Solve for x
    x = 15,386,889,093,560,812/113,335,416.90
  6. Step 6: Final answer
    x = 135,764,172.53

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