Home / 100,568,052.20-150,852,078.30-86,936,590.55

Finding the Fourth Proportional to 100,568,052.20, 150,852,078.30 and 86,936,590.55

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Solution

The fourth proportional to 100,568,052.20, 150,852,078.30 and 86,936,590.55 is: 130,404,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,568,052.20 : 150,852,078.30 = 86,936,590.55 : x
  2. Step 2: Convert to fraction form
    100,568,052.20/150,852,078.30 = 86,936,590.55/x
  3. Step 3: Cross multiply
    100,568,052.20x = 150,852,078.30 × 86,936,590.55
  4. Step 4: Simplify right side
    100,568,052.20x = 13,114,565,364,783,640
  5. Step 5: Solve for x
    x = 13,114,565,364,783,640/100,568,052.20
  6. Step 6: Final answer
    x = 130,404,885.83

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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.