Home / 379,115,314.92-568,695,017.34-106,507,339.56

Finding the Fourth Proportional to 379,115,314.92, 568,695,017.34 and 106,507,339.56

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Solution

The fourth proportional to 379,115,314.92, 568,695,017.34 and 106,507,339.56 is: 159,767,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,115,314.92 : 568,695,017.34 = 106,507,339.56 : x
  2. Step 2: Convert to fraction form
    379,115,314.92/568,695,017.34 = 106,507,339.56/x
  3. Step 3: Cross multiply
    379,115,314.92x = 568,695,017.34 × 106,507,339.56
  4. Step 4: Simplify right side
    379,115,314.92x = 60,570,193,317,911,472
  5. Step 5: Solve for x
    x = 60,570,193,317,911,472/379,115,314.92
  6. Step 6: Final answer
    x = 159,767,202.57

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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.