Home / 73,317,455.40-109,976,183.10-72,183,714.60

Finding the Fourth Proportional to 73,317,455.40, 109,976,183.10 and 72,183,714.60

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Solution

The fourth proportional to 73,317,455.40, 109,976,183.10 and 72,183,714.60 is: 108,275,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,317,455.40 : 109,976,183.10 = 72,183,714.60 : x
  2. Step 2: Convert to fraction form
    73,317,455.40/109,976,183.10 = 72,183,714.60/x
  3. Step 3: Cross multiply
    73,317,455.40x = 109,976,183.10 × 72,183,714.60
  4. Step 4: Simplify right side
    73,317,455.40x = 7,938,489,413,687,742
  5. Step 5: Solve for x
    x = 7,938,489,413,687,742/73,317,455.40
  6. Step 6: Final answer
    x = 108,275,571.90

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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.