Home / 112,172,882.20-168,259,323.30-106,882,091.80

Finding the Fourth Proportional to 112,172,882.20, 168,259,323.30 and 106,882,091.80

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Solution

The fourth proportional to 112,172,882.20, 168,259,323.30 and 106,882,091.80 is: 160,323,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172,882.20 : 168,259,323.30 = 106,882,091.80 : x
  2. Step 2: Convert to fraction form
    112,172,882.20/168,259,323.30 = 106,882,091.80/x
  3. Step 3: Cross multiply
    112,172,882.20x = 168,259,323.30 × 106,882,091.80
  4. Step 4: Simplify right side
    112,172,882.20x = 17,983,908,439,156,480
  5. Step 5: Solve for x
    x = 17,983,908,439,156,480/112,172,882.20
  6. Step 6: Final answer
    x = 160,323,137.70

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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.