Home / 255,823,758.88-352,716,845.52-213,498,253.60

Finding the Fourth Proportional to 255,823,758.88, 352,716,845.52 and 213,498,253.60

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Solution

The fourth proportional to 255,823,758.88, 352,716,845.52 and 213,498,253.60 is: 294,360,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,823,758.88 : 352,716,845.52 = 213,498,253.60 : x
  2. Step 2: Convert to fraction form
    255,823,758.88/352,716,845.52 = 213,498,253.60/x
  3. Step 3: Cross multiply
    255,823,758.88x = 352,716,845.52 × 213,498,253.60
  4. Step 4: Simplify right side
    255,823,758.88x = 75,304,430,533,820,976
  5. Step 5: Solve for x
    x = 75,304,430,533,820,976/255,823,758.88
  6. Step 6: Final answer
    x = 294,360,581.92

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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.