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Finding the Fourth Proportional to 260,321,978.48, 359,243,344.46 and 142,849,274.18

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Solution

The fourth proportional to 260,321,978.48, 359,243,344.46 and 142,849,274.18 is: 197,131,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,978.48 : 359,243,344.46 = 142,849,274.18 : x
  2. Step 2: Convert to fraction form
    260,321,978.48/359,243,344.46 = 142,849,274.18/x
  3. Step 3: Cross multiply
    260,321,978.48x = 359,243,344.46 × 142,849,274.18
  4. Step 4: Simplify right side
    260,321,978.48x = 51,317,651,010,106,720
  5. Step 5: Solve for x
    x = 51,317,651,010,106,720/260,321,978.48
  6. Step 6: Final answer
    x = 197,131,457.40

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Why These Related Problems?

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