Home / 142,165,867.73-213,327,489.86-69,383,251.31

Finding the Fourth Proportional to 142,165,867.73, 213,327,489.86 and 69,383,251.31

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Solution

The fourth proportional to 142,165,867.73, 213,327,489.86 and 69,383,251.31 is: 104,113,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,165,867.73 : 213,327,489.86 = 69,383,251.31 : x
  2. Step 2: Convert to fraction form
    142,165,867.73/213,327,489.86 = 69,383,251.31/x
  3. Step 3: Cross multiply
    142,165,867.73x = 213,327,489.86 × 69,383,251.31
  4. Step 4: Simplify right side
    142,165,867.73x = 14,801,354,840,287,858
  5. Step 5: Solve for x
    x = 14,801,354,840,287,858/142,165,867.73
  6. Step 6: Final answer
    x = 104,113,280.33

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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.