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Finding the Fourth Proportional to 207,241,978.20, 310,862,967.30 and 63,616,147.80

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Solution

The fourth proportional to 207,241,978.20, 310,862,967.30 and 63,616,147.80 is: 95,424,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,241,978.20 : 310,862,967.30 = 63,616,147.80 : x
  2. Step 2: Convert to fraction form
    207,241,978.20/310,862,967.30 = 63,616,147.80/x
  3. Step 3: Cross multiply
    207,241,978.20x = 310,862,967.30 × 63,616,147.80
  4. Step 4: Simplify right side
    207,241,978.20x = 19,775,904,473,303,368
  5. Step 5: Solve for x
    x = 19,775,904,473,303,368/207,241,978.20
  6. Step 6: Final answer
    x = 95,424,221.70

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