Home / 260,967,973.32-391,193,391.78-122,545,791.09

Finding the Fourth Proportional to 260,967,973.32, 391,193,391.78 and 122,545,791.09

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Solution

The fourth proportional to 260,967,973.32, 391,193,391.78 and 122,545,791.09 is: 183,697,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,967,973.32 : 391,193,391.78 = 122,545,791.09 : x
  2. Step 2: Convert to fraction form
    260,967,973.32/391,193,391.78 = 122,545,791.09/x
  3. Step 3: Cross multiply
    260,967,973.32x = 391,193,391.78 × 122,545,791.09
  4. Step 4: Simplify right side
    260,967,973.32x = 47,939,103,664,860,400
  5. Step 5: Solve for x
    x = 47,939,103,664,860,400/260,967,973.32
  6. Step 6: Final answer
    x = 183,697,267.73

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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.