Home / 103,587,757.44-142,951,112.64-57,178,023.36

Finding the Fourth Proportional to 103,587,757.44, 142,951,112.64 and 57,178,023.36

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Solution

The fourth proportional to 103,587,757.44, 142,951,112.64 and 57,178,023.36 is: 78,905,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,587,757.44 : 142,951,112.64 = 57,178,023.36 : x
  2. Step 2: Convert to fraction form
    103,587,757.44/142,951,112.64 = 57,178,023.36/x
  3. Step 3: Cross multiply
    103,587,757.44x = 142,951,112.64 × 57,178,023.36
  4. Step 4: Simplify right side
    103,587,757.44x = 8,173,662,057,867,910
  5. Step 5: Solve for x
    x = 8,173,662,057,867,910/103,587,757.44
  6. Step 6: Final answer
    x = 78,905,676.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.