Home / 220,786,780.92-304,687,772.73-121,671,084.58

Finding the Fourth Proportional to 220,786,780.92, 304,687,772.73 and 121,671,084.58

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Solution

The fourth proportional to 220,786,780.92, 304,687,772.73 and 121,671,084.58 is: 167,907,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,780.92 : 304,687,772.73 = 121,671,084.58 : x
  2. Step 2: Convert to fraction form
    220,786,780.92/304,687,772.73 = 121,671,084.58/x
  3. Step 3: Cross multiply
    220,786,780.92x = 304,687,772.73 × 121,671,084.58
  4. Step 4: Simplify right side
    220,786,780.92x = 37,071,691,764,191,856
  5. Step 5: Solve for x
    x = 37,071,691,764,191,856/220,786,780.92
  6. Step 6: Final answer
    x = 167,907,207.17

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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.