Home / 260,494,972.30-359,483,769.12-143,027,911

Finding the Fourth Proportional to 260,494,972.30, 359,483,769.12 and 143,027,911

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Solution

The fourth proportional to 260,494,972.30, 359,483,769.12 and 143,027,911 is: 197,378,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,494,972.30 : 359,483,769.12 = 143,027,911 : x
  2. Step 2: Convert to fraction form
    260,494,972.30/359,483,769.12 = 143,027,911/x
  3. Step 3: Cross multiply
    260,494,972.30x = 359,483,769.12 × 143,027,911
  4. Step 4: Simplify right side
    260,494,972.30x = 51,416,212,535,639,912
  5. Step 5: Solve for x
    x = 51,416,212,535,639,912/260,494,972.30
  6. Step 6: Final answer
    x = 197,378,905.56

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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.