Home / 168,467,788.85-252,534,279.35-117,242,190.86

Finding the Fourth Proportional to 168,467,788.85, 252,534,279.35 and 117,242,190.86

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Solution

The fourth proportional to 168,467,788.85, 252,534,279.35 and 117,242,190.86 is: 175,746,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,467,788.85 : 252,534,279.35 = 117,242,190.86 : x
  2. Step 2: Convert to fraction form
    168,467,788.85/252,534,279.35 = 117,242,190.86/x
  3. Step 3: Cross multiply
    168,467,788.85x = 252,534,279.35 × 117,242,190.86
  4. Step 4: Simplify right side
    168,467,788.85x = 29,607,672,178,694,936
  5. Step 5: Solve for x
    x = 29,607,672,178,694,936/168,467,788.85
  6. Step 6: Final answer
    x = 175,746,784.48

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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.