Home / 412,617,081.03-618,794,311.23-136,216,831.26

Finding the Fourth Proportional to 412,617,081.03, 618,794,311.23 and 136,216,831.26

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Solution

The fourth proportional to 412,617,081.03, 618,794,311.23 and 136,216,831.26 is: 204,281,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,617,081.03 : 618,794,311.23 = 136,216,831.26 : x
  2. Step 2: Convert to fraction form
    412,617,081.03/618,794,311.23 = 136,216,831.26/x
  3. Step 3: Cross multiply
    412,617,081.03x = 618,794,311.23 × 136,216,831.26
  4. Step 4: Simplify right side
    412,617,081.03x = 84,290,200,277,464,832
  5. Step 5: Solve for x
    x = 84,290,200,277,464,832/412,617,081.03
  6. Step 6: Final answer
    x = 204,281,897.56

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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.