Home / 109,190,735.20-163,786,102.80-84,797,593.30

Finding the Fourth Proportional to 109,190,735.20, 163,786,102.80 and 84,797,593.30

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Solution

The fourth proportional to 109,190,735.20, 163,786,102.80 and 84,797,593.30 is: 127,196,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,190,735.20 : 163,786,102.80 = 84,797,593.30 : x
  2. Step 2: Convert to fraction form
    109,190,735.20/163,786,102.80 = 84,797,593.30/x
  3. Step 3: Cross multiply
    109,190,735.20x = 163,786,102.80 × 84,797,593.30
  4. Step 4: Simplify right side
    109,190,735.20x = 13,888,667,333,426,392
  5. Step 5: Solve for x
    x = 13,888,667,333,426,392/109,190,735.20
  6. Step 6: Final answer
    x = 127,196,389.95

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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.