Home / 151,128,003.20-226,692,004.80-142,170,051.20

Finding the Fourth Proportional to 151,128,003.20, 226,692,004.80 and 142,170,051.20

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Solution

The fourth proportional to 151,128,003.20, 226,692,004.80 and 142,170,051.20 is: 213,255,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,128,003.20 : 226,692,004.80 = 142,170,051.20 : x
  2. Step 2: Convert to fraction form
    151,128,003.20/226,692,004.80 = 142,170,051.20/x
  3. Step 3: Cross multiply
    151,128,003.20x = 226,692,004.80 × 142,170,051.20
  4. Step 4: Simplify right side
    151,128,003.20x = 32,228,813,929,046,644
  5. Step 5: Solve for x
    x = 32,228,813,929,046,644/151,128,003.20
  6. Step 6: Final answer
    x = 213,255,076.80

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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.