Home / 78,546,980.22-117,839,016.09-24,694,292.22

Finding the Fourth Proportional to 78,546,980.22, 117,839,016.09 and 24,694,292.22

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Solution

The fourth proportional to 78,546,980.22, 117,839,016.09 and 24,694,292.22 is: 37,047,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546,980.22 : 117,839,016.09 = 24,694,292.22 : x
  2. Step 2: Convert to fraction form
    78,546,980.22/117,839,016.09 = 24,694,292.22/x
  3. Step 3: Cross multiply
    78,546,980.22x = 117,839,016.09 × 24,694,292.22
  4. Step 4: Simplify right side
    78,546,980.22x = 2,909,951,098,243,742
  5. Step 5: Solve for x
    x = 2,909,951,098,243,742/78,546,980.22
  6. Step 6: Final answer
    x = 37,047,268.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.