Home / 142,296,370.60-196,347,275.82-80,394,122.92

Finding the Fourth Proportional to 142,296,370.60, 196,347,275.82 and 80,394,122.92

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Solution

The fourth proportional to 142,296,370.60, 196,347,275.82 and 80,394,122.92 is: 110,931,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,296,370.60 : 196,347,275.82 = 80,394,122.92 : x
  2. Step 2: Convert to fraction form
    142,296,370.60/196,347,275.82 = 80,394,122.92/x
  3. Step 3: Cross multiply
    142,296,370.60x = 196,347,275.82 × 80,394,122.92
  4. Step 4: Simplify right side
    142,296,370.60x = 15,785,167,027,280,224
  5. Step 5: Solve for x
    x = 15,785,167,027,280,224/142,296,370.60
  6. Step 6: Final answer
    x = 110,931,620.82

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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.