Home / 108,256,579.70-162,384,869.55-100,603,829.30

Finding the Fourth Proportional to 108,256,579.70, 162,384,869.55 and 100,603,829.30

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Solution

The fourth proportional to 108,256,579.70, 162,384,869.55 and 100,603,829.30 is: 150,905,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,256,579.70 : 162,384,869.55 = 100,603,829.30 : x
  2. Step 2: Convert to fraction form
    108,256,579.70/162,384,869.55 = 100,603,829.30/x
  3. Step 3: Cross multiply
    108,256,579.70x = 162,384,869.55 × 100,603,829.30
  4. Step 4: Simplify right side
    108,256,579.70x = 16,336,539,697,110,968
  5. Step 5: Solve for x
    x = 16,336,539,697,110,968/108,256,579.70
  6. Step 6: Final answer
    x = 150,905,743.95

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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.