Home / 245,143,327.06-338,285,564.72-139,282,759.37

Finding the Fourth Proportional to 245,143,327.06, 338,285,564.72 and 139,282,759.37

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Solution

The fourth proportional to 245,143,327.06, 338,285,564.72 and 139,282,759.37 is: 192,203,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,143,327.06 : 338,285,564.72 = 139,282,759.37 : x
  2. Step 2: Convert to fraction form
    245,143,327.06/338,285,564.72 = 139,282,759.37/x
  3. Step 3: Cross multiply
    245,143,327.06x = 338,285,564.72 × 139,282,759.37
  4. Step 4: Simplify right side
    245,143,327.06x = 47,117,346,909,240,328
  5. Step 5: Solve for x
    x = 47,117,346,909,240,328/245,143,327.06
  6. Step 6: Final answer
    x = 192,203,261.15

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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.