Home / 142,125,813.54-213,209,027.82-43,765,828.74

Finding the Fourth Proportional to 142,125,813.54, 213,209,027.82 and 43,765,828.74

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Solution

The fourth proportional to 142,125,813.54, 213,209,027.82 and 43,765,828.74 is: 65,654,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,125,813.54 : 213,209,027.82 = 43,765,828.74 : x
  2. Step 2: Convert to fraction form
    142,125,813.54/213,209,027.82 = 43,765,828.74/x
  3. Step 3: Cross multiply
    142,125,813.54x = 213,209,027.82 × 43,765,828.74
  4. Step 4: Simplify right side
    142,125,813.54x = 9,331,269,797,392,016
  5. Step 5: Solve for x
    x = 9,331,269,797,392,016/142,125,813.54
  6. Step 6: Final answer
    x = 65,654,996.55

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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.