Home / 220,786,863.90-304,687,887.33-121,671,167.58

Finding the Fourth Proportional to 220,786,863.90, 304,687,887.33 and 121,671,167.58

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Solution

The fourth proportional to 220,786,863.90, 304,687,887.33 and 121,671,167.58 is: 167,907,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,863.90 : 304,687,887.33 = 121,671,167.58 : x
  2. Step 2: Convert to fraction form
    220,786,863.90/304,687,887.33 = 121,671,167.58/x
  3. Step 3: Cross multiply
    220,786,863.90x = 304,687,887.33 × 121,671,167.58
  4. Step 4: Simplify right side
    220,786,863.90x = 37,071,730,998,924,584
  5. Step 5: Solve for x
    x = 37,071,730,998,924,584/220,786,863.90
  6. Step 6: Final answer
    x = 167,907,321.77

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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.