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Finding the Fourth Proportional to 187,811,978.40, 281,717,967.60 and 51,497,143.20

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Solution

The fourth proportional to 187,811,978.40, 281,717,967.60 and 51,497,143.20 is: 77,245,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,811,978.40 : 281,717,967.60 = 51,497,143.20 : x
  2. Step 2: Convert to fraction form
    187,811,978.40/281,717,967.60 = 51,497,143.20/x
  3. Step 3: Cross multiply
    187,811,978.40x = 281,717,967.60 × 51,497,143.20
  4. Step 4: Simplify right side
    187,811,978.40x = 14,507,670,519,510,162
  5. Step 5: Solve for x
    x = 14,507,670,519,510,162/187,811,978.40
  6. Step 6: Final answer
    x = 77,245,714.80

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