Home / 108,256,620.60-162,384,930.90-87,849,286.20

Finding the Fourth Proportional to 108,256,620.60, 162,384,930.90 and 87,849,286.20

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Solution

The fourth proportional to 108,256,620.60, 162,384,930.90 and 87,849,286.20 is: 131,773,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,256,620.60 : 162,384,930.90 = 87,849,286.20 : x
  2. Step 2: Convert to fraction form
    108,256,620.60/162,384,930.90 = 87,849,286.20/x
  3. Step 3: Cross multiply
    108,256,620.60x = 162,384,930.90 × 87,849,286.20
  4. Step 4: Simplify right side
    108,256,620.60x = 14,265,400,269,201,324
  5. Step 5: Solve for x
    x = 14,265,400,269,201,324/108,256,620.60
  6. Step 6: Final answer
    x = 131,773,929.30

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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.