Home / 76,972,147.07-115,457,244.66-18,680,304.92

Finding the Fourth Proportional to 76,972,147.07, 115,457,244.66 and 18,680,304.92

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Solution

The fourth proportional to 76,972,147.07, 115,457,244.66 and 18,680,304.92 is: 28,020,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,972,147.07 : 115,457,244.66 = 18,680,304.92 : x
  2. Step 2: Convert to fraction form
    76,972,147.07/115,457,244.66 = 18,680,304.92/x
  3. Step 3: Cross multiply
    76,972,147.07x = 115,457,244.66 × 18,680,304.92
  4. Step 4: Simplify right side
    76,972,147.07x = 2,156,776,535,815,989.75
  5. Step 5: Solve for x
    x = 2,156,776,535,815,989.75/76,972,147.07
  6. Step 6: Final answer
    x = 28,020,220.53

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