Home / 110,424,853.20-165,637,279.80-79,654,419.30

Finding the Fourth Proportional to 110,424,853.20, 165,637,279.80 and 79,654,419.30

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Solution

The fourth proportional to 110,424,853.20, 165,637,279.80 and 79,654,419.30 is: 119,481,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,424,853.20 : 165,637,279.80 = 79,654,419.30 : x
  2. Step 2: Convert to fraction form
    110,424,853.20/165,637,279.80 = 79,654,419.30/x
  3. Step 3: Cross multiply
    110,424,853.20x = 165,637,279.80 × 79,654,419.30
  4. Step 4: Simplify right side
    110,424,853.20x = 13,193,741,336,900,620
  5. Step 5: Solve for x
    x = 13,193,741,336,900,620/110,424,853.20
  6. Step 6: Final answer
    x = 119,481,628.95

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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.