Home / 139,794,110.03-192,907,572.32-80,241,648.05

Finding the Fourth Proportional to 139,794,110.03, 192,907,572.32 and 80,241,648.05

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Solution

The fourth proportional to 139,794,110.03, 192,907,572.32 and 80,241,648.05 is: 110,728,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,794,110.03 : 192,907,572.32 = 80,241,648.05 : x
  2. Step 2: Convert to fraction form
    139,794,110.03/192,907,572.32 = 80,241,648.05/x
  3. Step 3: Cross multiply
    139,794,110.03x = 192,907,572.32 × 80,241,648.05
  4. Step 4: Simplify right side
    139,794,110.03x = 15,479,221,523,598,488
  5. Step 5: Solve for x
    x = 15,479,221,523,598,488/139,794,110.03
  6. Step 6: Final answer
    x = 110,728,710.39

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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.