Home / 111,105,183.78-165,982,017.84-71,924,446.58

Finding the Fourth Proportional to 111,105,183.78, 165,982,017.84 and 71,924,446.58

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Solution

The fourth proportional to 111,105,183.78, 165,982,017.84 and 71,924,446.58 is: 107,449,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,105,183.78 : 165,982,017.84 = 71,924,446.58 : x
  2. Step 2: Convert to fraction form
    111,105,183.78/165,982,017.84 = 71,924,446.58/x
  3. Step 3: Cross multiply
    111,105,183.78x = 165,982,017.84 × 71,924,446.58
  4. Step 4: Simplify right side
    111,105,183.78x = 11,938,164,774,274,062
  5. Step 5: Solve for x
    x = 11,938,164,774,274,062/111,105,183.78
  6. Step 6: Final answer
    x = 107,449,214.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.