Home / 142,725,734.23-196,951,601.37-79,149,352.95

Finding the Fourth Proportional to 142,725,734.23, 196,951,601.37 and 79,149,352.95

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Solution

The fourth proportional to 142,725,734.23, 196,951,601.37 and 79,149,352.95 is: 109,220,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,725,734.23 : 196,951,601.37 = 79,149,352.95 : x
  2. Step 2: Convert to fraction form
    142,725,734.23/196,951,601.37 = 79,149,352.95/x
  3. Step 3: Cross multiply
    142,725,734.23x = 196,951,601.37 × 79,149,352.95
  4. Step 4: Simplify right side
    142,725,734.23x = 15,588,591,810,901,834
  5. Step 5: Solve for x
    x = 15,588,591,810,901,834/142,725,734.23
  6. Step 6: Final answer
    x = 109,220,610.39

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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.