Home / 112,002,198.77-154,597,195.68-64,971,157.43

Finding the Fourth Proportional to 112,002,198.77, 154,597,195.68 and 64,971,157.43

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Solution

The fourth proportional to 112,002,198.77, 154,597,195.68 and 64,971,157.43 is: 89,680,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002,198.77 : 154,597,195.68 = 64,971,157.43 : x
  2. Step 2: Convert to fraction form
    112,002,198.77/154,597,195.68 = 64,971,157.43/x
  3. Step 3: Cross multiply
    112,002,198.77x = 154,597,195.68 × 64,971,157.43
  4. Step 4: Simplify right side
    112,002,198.77x = 10,044,358,738,761,796
  5. Step 5: Solve for x
    x = 10,044,358,738,761,796/112,002,198.77
  6. Step 6: Final answer
    x = 89,680,013.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.