Home / 168,808,902.48-253,177,924.32-47,612,010.96

Finding the Fourth Proportional to 168,808,902.48, 253,177,924.32 and 47,612,010.96

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Solution

The fourth proportional to 168,808,902.48, 253,177,924.32 and 47,612,010.96 is: 71,408,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,808,902.48 : 253,177,924.32 = 47,612,010.96 : x
  2. Step 2: Convert to fraction form
    168,808,902.48/253,177,924.32 = 47,612,010.96/x
  3. Step 3: Cross multiply
    168,808,902.48x = 253,177,924.32 × 47,612,010.96
  4. Step 4: Simplify right side
    168,808,902.48x = 12,054,310,107,553,890
  5. Step 5: Solve for x
    x = 12,054,310,107,553,890/168,808,902.48
  6. Step 6: Final answer
    x = 71,408,023.69

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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.