Home / 57,706,306.13-86,564,780.38-18,844,961.78

Finding the Fourth Proportional to 57,706,306.13, 86,564,780.38 and 18,844,961.78

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Solution

The fourth proportional to 57,706,306.13, 86,564,780.38 and 18,844,961.78 is: 28,269,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706,306.13 : 86,564,780.38 = 18,844,961.78 : x
  2. Step 2: Convert to fraction form
    57,706,306.13/86,564,780.38 = 18,844,961.78/x
  3. Step 3: Cross multiply
    57,706,306.13x = 86,564,780.38 × 18,844,961.78
  4. Step 4: Simplify right side
    57,706,306.13x = 1,631,309,977,889,140.25
  5. Step 5: Solve for x
    x = 1,631,309,977,889,140.25/57,706,306.13
  6. Step 6: Final answer
    x = 28,269,180.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.