Home / 381,394,808.40-572,097,461.52-108,765,604.56

Finding the Fourth Proportional to 381,394,808.40, 572,097,461.52 and 108,765,604.56

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Solution

The fourth proportional to 381,394,808.40, 572,097,461.52 and 108,765,604.56 is: 163,149,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,394,808.40 : 572,097,461.52 = 108,765,604.56 : x
  2. Step 2: Convert to fraction form
    381,394,808.40/572,097,461.52 = 108,765,604.56/x
  3. Step 3: Cross multiply
    381,394,808.40x = 572,097,461.52 × 108,765,604.56
  4. Step 4: Simplify right side
    381,394,808.40x = 62,224,526,269,464,136
  5. Step 5: Solve for x
    x = 62,224,526,269,464,136/381,394,808.40
  6. Step 6: Final answer
    x = 163,149,903.72

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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.