Home / 233,337,786.76-322,009,523.94-128,918,261.80

Finding the Fourth Proportional to 233,337,786.76, 322,009,523.94 and 128,918,261.80

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Solution

The fourth proportional to 233,337,786.76, 322,009,523.94 and 128,918,261.80 is: 177,909,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,337,786.76 : 322,009,523.94 = 128,918,261.80 : x
  2. Step 2: Convert to fraction form
    233,337,786.76/322,009,523.94 = 128,918,261.80/x
  3. Step 3: Cross multiply
    233,337,786.76x = 322,009,523.94 × 128,918,261.80
  4. Step 4: Simplify right side
    233,337,786.76x = 41,512,908,109,390,288
  5. Step 5: Solve for x
    x = 41,512,908,109,390,288/233,337,786.76
  6. Step 6: Final answer
    x = 177,909,067.73

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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.