Home / 165,219,774.40-247,617,085.20-100,454,831.20

Finding the Fourth Proportional to 165,219,774.40, 247,617,085.20 and 100,454,831.20

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Solution

The fourth proportional to 165,219,774.40, 247,617,085.20 and 100,454,831.20 is: 150,552,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,219,774.40 : 247,617,085.20 = 100,454,831.20 : x
  2. Step 2: Convert to fraction form
    165,219,774.40/247,617,085.20 = 100,454,831.20/x
  3. Step 3: Cross multiply
    165,219,774.40x = 247,617,085.20 × 100,454,831.20
  4. Step 4: Simplify right side
    165,219,774.40x = 24,874,332,496,002,016
  5. Step 5: Solve for x
    x = 24,874,332,496,002,016/165,219,774.40
  6. Step 6: Final answer
    x = 150,552,998.79

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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.