Home / 201,860,182.76-278,566,838.30-109,040,675.72

Finding the Fourth Proportional to 201,860,182.76, 278,566,838.30 and 109,040,675.72

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Solution

The fourth proportional to 201,860,182.76, 278,566,838.30 and 109,040,675.72 is: 150,476,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,860,182.76 : 278,566,838.30 = 109,040,675.72 : x
  2. Step 2: Convert to fraction form
    201,860,182.76/278,566,838.30 = 109,040,675.72/x
  3. Step 3: Cross multiply
    201,860,182.76x = 278,566,838.30 × 109,040,675.72
  4. Step 4: Simplify right side
    201,860,182.76x = 30,375,116,281,415,976
  5. Step 5: Solve for x
    x = 30,375,116,281,415,976/201,860,182.76
  6. Step 6: Final answer
    x = 150,476,016.94

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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.