Home / 220,786,786.89-304,687,780.97-121,671,090.54

Finding the Fourth Proportional to 220,786,786.89, 304,687,780.97 and 121,671,090.54

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Solution

The fourth proportional to 220,786,786.89, 304,687,780.97 and 121,671,090.54 is: 167,907,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,786.89 : 304,687,780.97 = 121,671,090.54 : x
  2. Step 2: Convert to fraction form
    220,786,786.89/304,687,780.97 = 121,671,090.54/x
  3. Step 3: Cross multiply
    220,786,786.89x = 304,687,780.97 × 121,671,090.54
  4. Step 4: Simplify right side
    220,786,786.89x = 37,071,694,584,224,200
  5. Step 5: Solve for x
    x = 37,071,694,584,224,200/220,786,786.89
  6. Step 6: Final answer
    x = 167,907,215.40

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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.