Home / 203,473,404.10-305,228,768.55-67,159,087.30

Finding the Fourth Proportional to 203,473,404.10, 305,228,768.55 and 67,159,087.30

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Solution

The fourth proportional to 203,473,404.10, 305,228,768.55 and 67,159,087.30 is: 100,744,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,473,404.10 : 305,228,768.55 = 67,159,087.30 : x
  2. Step 2: Convert to fraction form
    203,473,404.10/305,228,768.55 = 67,159,087.30/x
  3. Step 3: Cross multiply
    203,473,404.10x = 305,228,768.55 × 67,159,087.30
  4. Step 4: Simplify right side
    203,473,404.10x = 20,498,885,513,520,944
  5. Step 5: Solve for x
    x = 20,498,885,513,520,944/203,473,404.10
  6. Step 6: Final answer
    x = 100,744,790.72

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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.