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Finding the Fourth Proportional to 113,335,223.40, 169,719,399.90 and 90,660,407.40

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Solution

The fourth proportional to 113,335,223.40, 169,719,399.90 and 90,660,407.40 is: 135,763,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335,223.40 : 169,719,399.90 = 90,660,407.40 : x
  2. Step 2: Convert to fraction form
    113,335,223.40/169,719,399.90 = 90,660,407.40/x
  3. Step 3: Cross multiply
    113,335,223.40x = 169,719,399.90 × 90,660,407.40
  4. Step 4: Simplify right side
    113,335,223.40x = 15,386,829,938,617,520
  5. Step 5: Solve for x
    x = 15,386,829,938,617,520/113,335,223.40
  6. Step 6: Final answer
    x = 135,763,882.37

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