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Finding the Fourth Proportional to 170,860,978.60, 256,266,584.70 and 49,679,794.60

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Solution

The fourth proportional to 170,860,978.60, 256,266,584.70 and 49,679,794.60 is: 74,512,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,860,978.60 : 256,266,584.70 = 49,679,794.60 : x
  2. Step 2: Convert to fraction form
    170,860,978.60/256,266,584.70 = 49,679,794.60/x
  3. Step 3: Cross multiply
    170,860,978.60x = 256,266,584.70 × 49,679,794.60
  4. Step 4: Simplify right side
    170,860,978.60x = 12,731,271,290,739,502
  5. Step 5: Solve for x
    x = 12,731,271,290,739,502/170,860,978.60
  6. Step 6: Final answer
    x = 74,512,456.82

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