Home / 132,101,308.20-198,151,962.30-120,197,029.80

Finding the Fourth Proportional to 132,101,308.20, 198,151,962.30 and 120,197,029.80

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Solution

The fourth proportional to 132,101,308.20, 198,151,962.30 and 120,197,029.80 is: 180,295,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101,308.20 : 198,151,962.30 = 120,197,029.80 : x
  2. Step 2: Convert to fraction form
    132,101,308.20/198,151,962.30 = 120,197,029.80/x
  3. Step 3: Cross multiply
    132,101,308.20x = 198,151,962.30 × 120,197,029.80
  4. Step 4: Simplify right side
    132,101,308.20x = 23,817,277,317,501,576
  5. Step 5: Solve for x
    x = 23,817,277,317,501,576/132,101,308.20
  6. Step 6: Final answer
    x = 180,295,544.70

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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.