Home / 245,143,327.56-338,285,565.41-139,282,759.88

Finding the Fourth Proportional to 245,143,327.56, 338,285,565.41 and 139,282,759.88

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Solution

The fourth proportional to 245,143,327.56, 338,285,565.41 and 139,282,759.88 is: 192,203,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,143,327.56 : 338,285,565.41 = 139,282,759.88 : x
  2. Step 2: Convert to fraction form
    245,143,327.56/338,285,565.41 = 139,282,759.88/x
  3. Step 3: Cross multiply
    245,143,327.56x = 338,285,565.41 × 139,282,759.88
  4. Step 4: Simplify right side
    245,143,327.56x = 47,117,347,175,483,216
  5. Step 5: Solve for x
    x = 47,117,347,175,483,216/245,143,327.56
  6. Step 6: Final answer
    x = 192,203,261.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.