Home / 110,720,156.40-166,080,234.60-78,408,543.60

Finding the Fourth Proportional to 110,720,156.40, 166,080,234.60 and 78,408,543.60

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Solution

The fourth proportional to 110,720,156.40, 166,080,234.60 and 78,408,543.60 is: 117,612,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720,156.40 : 166,080,234.60 = 78,408,543.60 : x
  2. Step 2: Convert to fraction form
    110,720,156.40/166,080,234.60 = 78,408,543.60/x
  3. Step 3: Cross multiply
    110,720,156.40x = 166,080,234.60 × 78,408,543.60
  4. Step 4: Simplify right side
    110,720,156.40x = 13,022,109,315,732,328
  5. Step 5: Solve for x
    x = 13,022,109,315,732,328/110,720,156.40
  6. Step 6: Final answer
    x = 117,612,815.40

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