Home / 131,467,620.60-197,201,430.90-129,228,132.60

Finding the Fourth Proportional to 131,467,620.60, 197,201,430.90 and 129,228,132.60

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Solution

The fourth proportional to 131,467,620.60, 197,201,430.90 and 129,228,132.60 is: 193,842,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,467,620.60 : 197,201,430.90 = 129,228,132.60 : x
  2. Step 2: Convert to fraction form
    131,467,620.60/197,201,430.90 = 129,228,132.60/x
  3. Step 3: Cross multiply
    131,467,620.60x = 197,201,430.90 × 129,228,132.60
  4. Step 4: Simplify right side
    131,467,620.60x = 25,483,972,661,254,936
  5. Step 5: Solve for x
    x = 25,483,972,661,254,936/131,467,620.60
  6. Step 6: Final answer
    x = 193,842,198.90

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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.