Home / 125,500,524.39-173,137,000.64-78,375,785.27

Finding the Fourth Proportional to 125,500,524.39, 173,137,000.64 and 78,375,785.27

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Solution

The fourth proportional to 125,500,524.39, 173,137,000.64 and 78,375,785.27 is: 108,125,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500,524.39 : 173,137,000.64 = 78,375,785.27 : x
  2. Step 2: Convert to fraction form
    125,500,524.39/173,137,000.64 = 78,375,785.27/x
  3. Step 3: Cross multiply
    125,500,524.39x = 173,137,000.64 × 78,375,785.27
  4. Step 4: Simplify right side
    125,500,524.39x = 13,569,748,383,194,928
  5. Step 5: Solve for x
    x = 13,569,748,383,194,928/125,500,524.39
  6. Step 6: Final answer
    x = 108,125,033.33

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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.