Home / 192,682,031.37-289,144,628.88-82,017,525.45

Finding the Fourth Proportional to 192,682,031.37, 289,144,628.88 and 82,017,525.45

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Solution

The fourth proportional to 192,682,031.37, 289,144,628.88 and 82,017,525.45 is: 123,078,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,682,031.37 : 289,144,628.88 = 82,017,525.45 : x
  2. Step 2: Convert to fraction form
    192,682,031.37/289,144,628.88 = 82,017,525.45/x
  3. Step 3: Cross multiply
    192,682,031.37x = 289,144,628.88 × 82,017,525.45
  4. Step 4: Simplify right side
    192,682,031.37x = 23,714,926,957,896,204
  5. Step 5: Solve for x
    x = 23,714,926,957,896,204/192,682,031.37
  6. Step 6: Final answer
    x = 123,078,041.01

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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.