Home / 201,648,251.76-278,283,175.77-112,340,145.27

Finding the Fourth Proportional to 201,648,251.76, 278,283,175.77 and 112,340,145.27

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Solution

The fourth proportional to 201,648,251.76, 278,283,175.77 and 112,340,145.27 is: 155,034,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,648,251.76 : 278,283,175.77 = 112,340,145.27 : x
  2. Step 2: Convert to fraction form
    201,648,251.76/278,283,175.77 = 112,340,145.27/x
  3. Step 3: Cross multiply
    201,648,251.76x = 278,283,175.77 × 112,340,145.27
  4. Step 4: Simplify right side
    201,648,251.76x = 31,262,372,392,198,740
  5. Step 5: Solve for x
    x = 31,262,372,392,198,740/201,648,251.76
  6. Step 6: Final answer
    x = 155,034,185.12

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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.