Home / 192,944,859.10-289,328,815.05-85,184,014.30

Finding the Fourth Proportional to 192,944,859.10, 289,328,815.05 and 85,184,014.30

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Solution

The fourth proportional to 192,944,859.10, 289,328,815.05 and 85,184,014.30 is: 127,736,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,944,859.10 : 289,328,815.05 = 85,184,014.30 : x
  2. Step 2: Convert to fraction form
    192,944,859.10/289,328,815.05 = 85,184,014.30/x
  3. Step 3: Cross multiply
    192,944,859.10x = 289,328,815.05 × 85,184,014.30
  4. Step 4: Simplify right side
    192,944,859.10x = 24,646,189,918,621,256
  5. Step 5: Solve for x
    x = 24,646,189,918,621,256/192,944,859.10
  6. Step 6: Final answer
    x = 127,736,960.88

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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.