Home / 263,272,899.60-394,909,349.40-127,224,003.60

Finding the Fourth Proportional to 263,272,899.60, 394,909,349.40 and 127,224,003.60

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Solution

The fourth proportional to 263,272,899.60, 394,909,349.40 and 127,224,003.60 is: 190,836,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,272,899.60 : 394,909,349.40 = 127,224,003.60 : x
  2. Step 2: Convert to fraction form
    263,272,899.60/394,909,349.40 = 127,224,003.60/x
  3. Step 3: Cross multiply
    263,272,899.60x = 394,909,349.40 × 127,224,003.60
  4. Step 4: Simplify right side
    263,272,899.60x = 50,241,948,489,739,256
  5. Step 5: Solve for x
    x = 50,241,948,489,739,256/263,272,899.60
  6. Step 6: Final answer
    x = 190,836,005.40

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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.