Home / 108,519,082.90-162,778,624.35-100,204,983.70

Finding the Fourth Proportional to 108,519,082.90, 162,778,624.35 and 100,204,983.70

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Solution

The fourth proportional to 108,519,082.90, 162,778,624.35 and 100,204,983.70 is: 150,307,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519,082.90 : 162,778,624.35 = 100,204,983.70 : x
  2. Step 2: Convert to fraction form
    108,519,082.90/162,778,624.35 = 100,204,983.70/x
  3. Step 3: Cross multiply
    108,519,082.90x = 162,778,624.35 × 100,204,983.70
  4. Step 4: Simplify right side
    108,519,082.90x = 16,311,229,399,700,172
  5. Step 5: Solve for x
    x = 16,311,229,399,700,172/108,519,082.90
  6. Step 6: Final answer
    x = 150,307,475.55

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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.