Home / 123,336,251.40-185,004,377.10-111,998,843.40

Finding the Fourth Proportional to 123,336,251.40, 185,004,377.10 and 111,998,843.40

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Solution

The fourth proportional to 123,336,251.40, 185,004,377.10 and 111,998,843.40 is: 167,998,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336,251.40 : 185,004,377.10 = 111,998,843.40 : x
  2. Step 2: Convert to fraction form
    123,336,251.40/185,004,377.10 = 111,998,843.40/x
  3. Step 3: Cross multiply
    123,336,251.40x = 185,004,377.10 × 111,998,843.40
  4. Step 4: Simplify right side
    123,336,251.40x = 20,720,276,259,137,448
  5. Step 5: Solve for x
    x = 20,720,276,259,137,448/123,336,251.40
  6. Step 6: Final answer
    x = 167,998,265.10

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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.