Home / 132,988,814.24-199,483,209.52-67,399,735.20

Finding the Fourth Proportional to 132,988,814.24, 199,483,209.52 and 67,399,735.20

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Solution

The fourth proportional to 132,988,814.24, 199,483,209.52 and 67,399,735.20 is: 101,099,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,988,814.24 : 199,483,209.52 = 67,399,735.20 : x
  2. Step 2: Convert to fraction form
    132,988,814.24/199,483,209.52 = 67,399,735.20/x
  3. Step 3: Cross multiply
    132,988,814.24x = 199,483,209.52 × 67,399,735.20
  4. Step 4: Simplify right side
    132,988,814.24x = 13,445,115,498,494,120
  5. Step 5: Solve for x
    x = 13,445,115,498,494,120/132,988,814.24
  6. Step 6: Final answer
    x = 101,099,596.80

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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.