Home / 79,128,000.80-118,692,001.20-53,299,968.20

Finding the Fourth Proportional to 79,128,000.80, 118,692,001.20 and 53,299,968.20

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Solution

The fourth proportional to 79,128,000.80, 118,692,001.20 and 53,299,968.20 is: 79,949,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,128,000.80 : 118,692,001.20 = 53,299,968.20 : x
  2. Step 2: Convert to fraction form
    79,128,000.80/118,692,001.20 = 53,299,968.20/x
  3. Step 3: Cross multiply
    79,128,000.80x = 118,692,001.20 × 53,299,968.20
  4. Step 4: Simplify right side
    79,128,000.80x = 6,326,279,889,554,362
  5. Step 5: Solve for x
    x = 6,326,279,889,554,362/79,128,000.80
  6. Step 6: Final answer
    x = 79,949,952.30

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