Home / 109,654,435.20-164,481,652.80-106,465,789.20

Finding the Fourth Proportional to 109,654,435.20, 164,481,652.80 and 106,465,789.20

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Solution

The fourth proportional to 109,654,435.20, 164,481,652.80 and 106,465,789.20 is: 159,698,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,654,435.20 : 164,481,652.80 = 106,465,789.20 : x
  2. Step 2: Convert to fraction form
    109,654,435.20/164,481,652.80 = 106,465,789.20/x
  3. Step 3: Cross multiply
    109,654,435.20x = 164,481,652.80 × 106,465,789.20
  4. Step 4: Simplify right side
    109,654,435.20x = 17,511,668,974,272,392
  5. Step 5: Solve for x
    x = 17,511,668,974,272,392/109,654,435.20
  6. Step 6: Final answer
    x = 159,698,683.80

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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.