Home / 57,410,627.72-86,115,938.70-39,405,144.20

Finding the Fourth Proportional to 57,410,627.72, 86,115,938.70 and 39,405,144.20

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Solution

The fourth proportional to 57,410,627.72, 86,115,938.70 and 39,405,144.20 is: 59,107,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,410,627.72 : 86,115,938.70 = 39,405,144.20 : x
  2. Step 2: Convert to fraction form
    57,410,627.72/86,115,938.70 = 39,405,144.20/x
  3. Step 3: Cross multiply
    57,410,627.72x = 86,115,938.70 × 39,405,144.20
  4. Step 4: Simplify right side
    57,410,627.72x = 3,393,410,982,391,861
  5. Step 5: Solve for x
    x = 3,393,410,982,391,861/57,410,627.72
  6. Step 6: Final answer
    x = 59,107,714.32

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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.