Home / 255,652,991.79-352,801,279.71-142,622,484.02

Finding the Fourth Proportional to 255,652,991.79, 352,801,279.71 and 142,622,484.02

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Solution

The fourth proportional to 255,652,991.79, 352,801,279.71 and 142,622,484.02 is: 196,819,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,652,991.79 : 352,801,279.71 = 142,622,484.02 : x
  2. Step 2: Convert to fraction form
    255,652,991.79/352,801,279.71 = 142,622,484.02/x
  3. Step 3: Cross multiply
    255,652,991.79x = 352,801,279.71 × 142,622,484.02
  4. Step 4: Simplify right side
    255,652,991.79x = 50,317,394,875,911,008
  5. Step 5: Solve for x
    x = 50,317,394,875,911,008/255,652,991.79
  6. Step 6: Final answer
    x = 196,819,112.20

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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.