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Finding the Fourth Proportional to 245,289,466.80, 367,934,200.20 and 201,451,489.20

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Solution

The fourth proportional to 245,289,466.80, 367,934,200.20 and 201,451,489.20 is: 302,177,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,289,466.80 : 367,934,200.20 = 201,451,489.20 : x
  2. Step 2: Convert to fraction form
    245,289,466.80/367,934,200.20 = 201,451,489.20/x
  3. Step 3: Cross multiply
    245,289,466.80x = 367,934,200.20 × 201,451,489.20
  4. Step 4: Simplify right side
    245,289,466.80x = 74,120,892,557,900,928
  5. Step 5: Solve for x
    x = 74,120,892,557,900,928/245,289,466.80
  6. Step 6: Final answer
    x = 302,177,233.80

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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.