Home / 201,204,423.90-301,806,635.85-199,291,236.30

Finding the Fourth Proportional to 201,204,423.90, 301,806,635.85 and 199,291,236.30

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Solution

The fourth proportional to 201,204,423.90, 301,806,635.85 and 199,291,236.30 is: 298,936,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,423.90 : 301,806,635.85 = 199,291,236.30 : x
  2. Step 2: Convert to fraction form
    201,204,423.90/301,806,635.85 = 199,291,236.30/x
  3. Step 3: Cross multiply
    201,204,423.90x = 301,806,635.85 × 199,291,236.30
  4. Step 4: Simplify right side
    201,204,423.90x = 60,147,417,582,090,408
  5. Step 5: Solve for x
    x = 60,147,417,582,090,408/201,204,423.90
  6. Step 6: Final answer
    x = 298,936,854.45

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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.