Home / 109,190,734.20-163,786,101.30-84,797,592.30

Finding the Fourth Proportional to 109,190,734.20, 163,786,101.30 and 84,797,592.30

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Solution

The fourth proportional to 109,190,734.20, 163,786,101.30 and 84,797,592.30 is: 127,196,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,190,734.20 : 163,786,101.30 = 84,797,592.30 : x
  2. Step 2: Convert to fraction form
    109,190,734.20/163,786,101.30 = 84,797,592.30/x
  3. Step 3: Cross multiply
    109,190,734.20x = 163,786,101.30 × 84,797,592.30
  4. Step 4: Simplify right side
    109,190,734.20x = 13,888,667,042,443,900
  5. Step 5: Solve for x
    x = 13,888,667,042,443,900/109,190,734.20
  6. Step 6: Final answer
    x = 127,196,388.45

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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.